Last Updated on July 30, 2026 by Daniel Globe
Winter travel puts unusual pressure on a backpack. Coats, sweaters, boots, chargers, and cold-weather accessories take up more room, while snow and slush increase the need for moisture protection. The right bag should fit your airline’s rules, carry comfortably through terminals and city streets, and keep clean, wet, and electronic items separated.
This guide compares six travel and commuter backpacks for women, with special attention to packed dimensions, organization, comfort, and winter use. Product sizes and ratings were checked on July 30, 2026, and misleading marketplace data has been corrected or clearly labeled.
Quick Answer
For winter travel, choose a backpack that fits your airline’s current size limit, carries bulky layers without overpacking, protects electronics, and has comfortable straps. The Taygeer is the best budget pick, the Women’s Jester offers the best daily-carry support, and the LOVEVOOK 40L sets provide the most packing organization.
Key Takeaways
- A backpack is not universally “airline approved.” Personal-item and carry-on limits are set by each airline.
- A 35–40L soft bag can bulge past its listed measurements when packed with winter layers.
- Water-resistant fabric helps with light snow or drizzle, but dry bags or a rain cover offer better protection in sustained wet weather.
- Power banks must stay in the aircraft cabin and are not included with USB-port backpacks.
- Comfort depends on packed weight, strap adjustment, and how close dense items sit to your back.
Affiliate disclosure: This roundup contains Amazon affiliate links. We may earn a commission from qualifying purchases at no extra cost to you.
Top Picks
| Category | Product | Editorial Score |
|---|---|---|
| Best Budget Personal-Item-Style Pack | Taygeer Carry-On | 88/100 |
| Best for Work and Teaching | LOVEVOOK Laptop | 90/100 |
| Best Supportive Commuter | Women’s Jester | 91/100 |
| Best Pack-and-Go Set | LOVEVOOK 40L Set | 92/100 |
| Best Lightweight 40L-Style Pack | LOVEVOOK 40L | 91/100 |
| Best Pocket-Heavy Weekender | LOVEVOOK Large | 89/100 |
How We Picked These Winter Travel Backpacks
We compared the current product listings, official manufacturer information where available, common review themes, and travel rules that affect real-world use. These scores are editorial comparisons, not laboratory test results.
- Airline fit and carry-on compatibility (25%): listed external size, compressibility, and whether the bag is better treated as a personal item or overhead carry-on.
- Capacity and organization (20%): laptop storage, wet or shoe separation, pocket layout, and packing-cube support.
- Comfort and carry features (20%): empty weight, shoulder-strap design, back padding, handles, and luggage sleeves.
- Durability and weather protection (15%): material claims, zipper construction, reinforced seams, and honest limits of water resistance.
- Extras and convenience (10%): packing cubes, bottle pockets, USB pass-throughs, and security pockets.
- Value (10%): whether the included features and multi-use design justify the cost.
Note: Marketplace ratings, review counts, colors, bundles, and seller-supplied measurements can change. The rating snapshots below were checked on July 30, 2026.
The Taygeer is the strongest budget option here when you want a light, flexible bag for short trips. The current listing gives dimensions of 16.8 × 11 × 7 inches, a 35L stated capacity, and a weight of 1.74 pounds. Its 180-degree opening makes it easier to pack like a suitcase, while the shoe bag and wet pocket help separate winter footwear or damp accessories from clean clothing.
What People Say
Common review themes include generous organization, useful carry handles, and good value for the price. Buyers also like the laptop compartment and exterior bottle pocket. The main cautions are that the USB feature is only a pass-through, the soft structure can bulge when overpacked, and fit under an airline seat depends on the packed dimensions—not the product name.
Overall Sentiment: Positive, with product-specific tradeoffs noted above.
Long-Term Value
Because it can serve as a commuter bag, weekender, and compact travel pack, it may replace two or three more specialized bags. Its value is strongest for travelers who pack lightly and want organization without paying for a premium travel brand.
Return on Investment
The practical return comes from the low starting cost, the included shoe bag, and the ability to carry work gear and a short-trip wardrobe in one pack. It should not be treated as a guaranteed way to avoid bag fees; airline acceptance still depends on the carrier and how full the bag is.
When to Use It
| Situation | How It Helps |
|---|---|
| Budget-airline trips | Its 16.8 × 11 × 7-inch listed size is below the 18 × 14 × 8-inch personal-item limit used by some U.S. airlines, but you should still compare it with your carrier’s current rule. |
| Weekend getaways | The 35L stated capacity, wet pocket, and shoe bag can handle a light 2–3 day packing list. |
| Daily commute or work travel | A padded laptop area and multiple pockets keep a 15.6-inch laptop, charger, notebook, and small essentials separated. |
| Airport and city walking | The 1.74-pound listed weight, padded straps, side handles, and luggage sleeve give you several ways to carry it. |
Versatility
High — it works as a daypack, work bag, weekender, or soft-sided travel backpack.
Aesthetic Appeal
The Amourpink color is distinctive, while other color options are available for travelers who prefer a more neutral look.
Practicality
The clamshell opening, wet pocket, shoe bag, bottle pocket, and USB cable pass-through make it easy to organize mixed travel gear.
Comfort
Its light empty weight helps, but it has no structured hip belt. Keep the load moderate and adjust both shoulder straps evenly.
Travel Friendliness
Good for light travel when packed within your airline’s size limit. The soft sides compress more easily than a hard suitcase but can also expand beyond the limit.
Key Benefits
- 35L stated capacity with a 16.8 × 11 × 7-inch listed size
- Clamshell opening for suitcase-style packing
- Separate shoe bag and wet pocket
- 15.6-inch laptop compartment
- External USB pass-through; power bank not included
- Padded backpack straps, two grab handles, and a luggage sleeve
Amazon rating snapshot: 4.7/5 from about 28,478 Amazon ratings as checked July 30, 2026. Ratings and counts change over time.
This LOVEVOOK model is better suited to commuting, teaching, and personal-item travel than to suitcase-style packing. The current listing gives dimensions of 17.5 × 12 × 8 inches and a weight of about 1.85 pounds. Four compartments and 14 pockets make it easier to separate a laptop, tablet, folders, chargers, pens, and a large tumbler.
What People Say
Review themes focus on the roomy interior, polished color combinations, useful large-cup holder, and comfortable straps. The common tradeoff is weather protection: the fabric is described as water-resistant, but the zippers and seams should not be treated as waterproof in heavy snow or rain.
Overall Sentiment: Positive, with product-specific tradeoffs noted above.
Long-Term Value
It can replace a laptop bag, work tote, and small travel backpack for people who carry many small items. The value is highest when organization matters more than a full clamshell opening.
Return on Investment
The main payoff is time saved: work supplies stay in assigned pockets, the laptop area reduces direct contact with other items, and the luggage strap makes airport transfers easier.
When to Use It
| Situation | How It Helps |
|---|---|
| Daily commute and office work | Four compartments and 14 pockets keep electronics, documents, and small tools organized. |
| Teaching or nursing shifts | The upright shape, large-cup holder, and small-item pockets suit notebooks, pens, snacks, and shift essentials. |
| Short flights | The 17.5 × 12 × 8-inch listed size fits within some airlines’ personal-item limits, but not every carrier uses the same dimensions. |
| City errands | A rear security pocket keeps a wallet or passport less exposed than a front pocket. |
Versatility
High — especially for work, school, teaching, nursing, and light travel.
Aesthetic Appeal
The beige, black, and chestnut-brown combination looks professional and less sporty than a typical daypack.
Practicality
The large-cup holder, luggage strap, rear security pocket, and compartment-heavy layout are the strongest practical features.
Comfort
The listed weight is about 1.85 pounds, and the shoulder straps are padded. As with any frameless work backpack, comfort drops when dense books or electronics are overpacked.
Travel Friendliness
Useful as a personal item on airlines whose limits accommodate 17.5 × 12 × 8 inches. It lacks the suitcase-style opening of the larger travel models.
Key Benefits
- Listed dimensions of 17.5 × 12 × 8 inches
- Four compartments and 14 pockets
- Padded area for a 15.6-inch laptop
- Expandable holder for a large tumbler
- Rear security pocket and luggage strap
- Water-resistant polyester exterior
Amazon rating snapshot: 4.8/5 from about 1,092 Amazon ratings as checked July 30, 2026. Ratings and counts change over time.
The Women’s Jester is the best choice here for supportive daily carry. The North Face currently lists it at 27 liters, 17.25 × 11 × 6.75 inches, and about 1 pound 8 ounces. Its FlexVent suspension uses a shaped yoke, molded shoulder straps, a padded back panel, and a breathable lumbar panel. The separate sleeve measures 12.75 × 11 inches, so compare those measurements with your laptop rather than relying only on screen size.
What People Say
Reviews most often praise comfort, durability, bottle pockets, and the front organizer. The main limitation is capacity: 27 liters works well for a commute or a carefully packed overnight trip, but it is less suitable for bulky winter boots or several days of clothing.
Overall Sentiment: Positive, with product-specific tradeoffs noted above.
Long-Term Value
The strongest long-term value comes from the supportive harness, current use of recycled polyester in many colorways, and a design that works for school, commuting, and day travel.
Return on Investment
You pay more than for the budget models, but the better-developed suspension and brand-backed specifications reduce guesswork for people who carry a laptop and daily gear often.
When to Use It
| Situation | How It Helps |
|---|---|
| Daily commuting | The supportive harness and organized front compartment suit repeated walks, transit, and campus use. |
| Airline personal item | At 17.25 × 11 × 6.75 inches, the listed size fits within many—but not all—personal-item limits. |
| Overnight city trip | The 27L capacity can hold a compact change of clothes, toiletries, and electronics. |
| Snowy or damp commutes | The non-PFC water-repellent finish helps with light precipitation, but a pack cover or inner dry bag is safer in sustained wet weather. |
Versatility
High for everyday carry; moderate for multi-day travel because the 27L capacity is smaller than the 35–40L travel packs.
Aesthetic Appeal
Its clean, sporty shape and broad color range work well for campus, commuting, and casual travel.
Practicality
A self-standing base, front bungee, organized front panel, key clip, and two bottle pockets make daily access easy.
Comfort
Best in this roundup. The women-specific FlexVent system and padded back panel provide more structure than the soft-sided travel packs.
Travel Friendliness
Very good for a personal item or daypack. It is not a clamshell suitcase replacement and does not include packing cubes or a shoe compartment.
Key Benefits
- Official 27L capacity
- Official dimensions of 17.25 × 11 × 6.75 inches
- Women-specific FlexVent suspension system
- 12.75 × 11-inch laptop sleeve
- Two bottle pockets, front organization, and bungee storage
- Non-PFC durable water-repellent finish
Amazon rating snapshot: 4.7/5 from about 17,941 Amazon ratings as checked July 30, 2026. Ratings and counts change over time.
This is the strongest pack-and-go option because the set includes two storage cubes and a shoe bag, plus a built-in wet pocket. The listing states a 40L capacity and 18 × 14 × 8-inch dimensions. That size matches the personal-item maximum used by some U.S. airlines, but a fully packed soft bag can exceed its stated measurements and other airlines use smaller limits.
What People Say
Common review themes include the roomy clamshell layout, included packing accessories, comfortable straps, and usefulness for 3–5 day trips. Some buyers mention bundle or shipping mix-ups, so check that all cubes are included when the order arrives.
Overall Sentiment: Positive, with product-specific tradeoffs noted above.
Long-Term Value
The included organizers reduce the need to buy separate cubes, and the bag can serve as a weekender, work-travel pack, or carry-on. Its long-term value depends more on zipper and seam care than on the marketing term “waterproof.”
Return on Investment
The value is easiest to see if you would otherwise buy a travel backpack and three packing organizers separately. It may also help you travel without a checked bag when your fare and airline permit the packed dimensions.
When to Use It
| Situation | How It Helps |
|---|---|
| 3–5 day trips | The 40L stated capacity and included cubes help divide clothing, shoes, and toiletries. |
| Airlines allowing 18 × 14 × 8-inch personal items | The listed dimensions match that common maximum, but the bag must still fit the sizer when packed. |
| Business travel | A separate laptop compartment protects electronics from the main clothing area. |
| Family or mixed-gear days | The wet pocket and shoe bag help separate damp or dirty items. |
Versatility
High — it works as a suitcase-style backpack, weekender, work-travel bag, or roomy family day bag.
Aesthetic Appeal
The light gray-and-pink colorway is soft and modern, with other combinations available.
Practicality
The clamshell opening, packing cubes, wet pocket, bottle pocket, and luggage strap are all useful during airport transfers.
Comfort
Padded straps and a padded back panel help, but a 40L soft pack can become heavy quickly. It does not have a load-bearing hip belt.
Travel Friendliness
Strong for carry-on travel. Personal-item use depends on the airline’s exact limit and whether the bag stays at or below 18 × 14 × 8 inches.
Key Benefits
- 40L stated capacity and 18 × 14 × 8-inch listed dimensions
- Clamshell opening
- Three included packing cubes, including a shoe bag
- Built-in wet pocket
- Separate compartment for laptops up to 17 inches
- Padded straps, back panel, and luggage strap
Amazon rating snapshot: 4.8/5 from about 3,671 Amazon ratings as checked July 30, 2026. Ratings and counts change over time.
This model stands out for combining a full 40L stated capacity with a relatively light 2.18-pound listed weight. Its current product page lists dimensions of 18 × 14 × 8 inches. The wide opening, four compartments, included cubes, and separate wet storage make it easy to divide winter layers, electronics, and toiletries.
What People Say
Review themes are strongly positive for capacity, color choices, packing organization, and the ability to open the bag like a suitcase. The most important caution is the same as with the other 40L models: “airline approved” is not universal, and a packed bag may be measured at the gate.
Overall Sentiment: Positive, with product-specific tradeoffs noted above.
Long-Term Value
It offers a large amount of organization for its weight. The best value comes when you use the same bag for commuting, family outings, and short travel rather than keeping it only for occasional flights.
Return on Investment
The included cubes and multi-use design can reduce extra organizer purchases. Avoid counting on automatic bag-fee savings, because acceptance depends on the airline and fare.
When to Use It
| Situation | How It Helps |
|---|---|
| Short carry-on trips | The 40L layout can hold a compact 3–5 day wardrobe when you use the cubes efficiently. |
| Personal-item travel on 18 × 14 × 8-inch allowances | The listed measurements match that limit before overpacking. |
| Daily commute with gym gear | Four compartments and a wet pocket separate work items from clothing or toiletries. |
| Family outings | The larger main area and small pockets suit snacks, spare layers, and electronics. |
Versatility
High — it moves between travel, work, gym, and family use.
Aesthetic Appeal
The light green, beige, and olive color blocking is softer than a technical travel pack and easy to identify on a luggage rack.
Practicality
Four compartments, a wet pocket, packing cubes, bottle storage, and a luggage strap cover the main needs of short-trip travel.
Comfort
At about 2.18 pounds empty, it is lighter than some four-piece 40L sets. The absence of a true hip belt still limits comfort under dense loads.
Travel Friendliness
Very good for airlines that permit 18 × 14 × 8-inch personal items and for standard overhead carry-on use. Verify the packed depth before departure.
Key Benefits
- 40L stated capacity
- Official listing dimensions of 18 × 14 × 8 inches
- Listed weight of about 2.18 pounds
- Four compartments and included packing cubes
- Wet pocket and separate laptop storage
- Luggage strap and water-resistant exterior
Amazon rating snapshot: 4.8/5 from about 3,278 Amazon ratings as checked July 30, 2026. Ratings and counts change over time.
This version is the most pocket-focused LOVEVOOK option in the group. The listing states 40 liters, four main compartments, 15 pockets, and room for up to a 17-inch laptop. Amazon’s current dimension field for this ASIN shows an impossible 5 × 6 × 5 inches, so the exact external size should be confirmed on the seller’s current listing before relying on it for a personal-item limit.
What People Say
Review themes emphasize roomy organization, packing accessories, and the wide opening. The biggest practical concern is not the layout but the unreliable dimension metadata. Treat it as a carry-on-style travel backpack unless you can confirm the exact measurements for the selected size and color.
Overall Sentiment: Positive, with product-specific tradeoffs noted above.
Long-Term Value
It offers useful value for travelers who want many pockets and included organizers. The value falls if you need a precisely measured personal item and the seller cannot confirm dimensions.
Return on Investment
The included cubes, shoe separation, and laptop area reduce the need for extra pouches. Its travel value is strongest when used as an overhead carry-on or road-trip bag rather than as a guaranteed under-seat item.
When to Use It
| Situation | How It Helps |
|---|---|
| Organized weekend travel | Four compartments and 15 pockets give each category of gear a separate place. |
| Road trips and train travel | The capacity and clamshell layout are useful when airline sizing is not the main constraint. |
| Overhead carry-on use | The design suits short flights, but verify the exact selected variant’s measurements. |
| Work plus overnight gear | The laptop area and packing cubes separate electronics from clothing. |
Versatility
High — useful for air, rail, road, work, and family travel.
Aesthetic Appeal
The khaki, beige, and apricot colorway looks polished and is less utilitarian than a technical black travel bag.
Practicality
Its main strengths are the 15-pocket layout, clamshell opening, wet pocket, packing cubes, and luggage strap.
Comfort
The listing gives a weight of about 1.42 kilograms (3.13 pounds), so it starts heavier than the other 40L option. Pack dense items close to your back.
Travel Friendliness
Good as a carry-on-style backpack, but the current listing’s dimension metadata is unreliable. Do not call it a guaranteed personal item without exact seller measurements.
Key Benefits
- 40L stated capacity
- Four main compartments and 15 pockets
- Three packing accessories including shoe storage
- Separate wet pocket
- Padded laptop area for devices up to 17 inches
- Luggage strap and padded carry system
Amazon rating snapshot: 4.8/5 from about 1,196 Amazon ratings visible in current comparison data on July 30, 2026. Ratings and counts change over time.
How to Choose a Backpack for Winter Travel
Start With the Packed Dimensions
The Transportation Security Administration does not set one universal carry-on size; it tells travelers to check with the airline. For example, American Airlines currently limits personal items to 18 × 14 × 8 inches, and Frontier currently uses the same maximum. Other airlines may use smaller limits or only require the bag to fit under the seat.
Warning: “TSA-friendly,” “flight approved,” and “airline approved” are marketing terms, not a TSA size certification. Measure the fully packed bag, including bulging pockets, handles, and straps.
Choose Capacity for the Trip, Not the Label
A 20–30L backpack usually works for a commute, day trip, or carefully packed overnight stay. A 30–40L bag gives you more room for winter layers and extra footwear, but it is easier to overpack and may no longer fit under a seat. Capacity figures from marketplace listings are useful estimates, not always independently verified measurements.
Prioritize Comfort Under a Real Load
Pack the bag with your laptop, charger, toiletries, shoes, and clothing before judging comfort. Tighten the shoulder straps evenly, keep dense items close to your back, and use the sternum strap when available. None of the travel-focused bags in this roundup has a true load-bearing hip belt, so they are best for moderate loads rather than long-distance hauling.
Match the Opening and Organization to Your Routine
Clamshell bags are easiest for clothing and airport packing. Top-loading commuter bags are often better for books, work supplies, and repeated daily access. A wet pocket can isolate damp gloves or toiletries, but it should be emptied and dried after use to prevent odor and moisture buildup.
Understand Water Resistance
Water-resistant fabric can shed light snow or brief rain. It does not guarantee that seams and zippers will stay dry in a downpour. Put passports, electronics, and spare clothing in zip-top bags or lightweight dry bags when the forecast is wet.
Pro Tip: Wear your bulkiest coat and boots on the plane, then use compression cubes for soft clothing. This saves space without forcing the backpack beyond its measured depth.
Personal Item vs. Carry-On: What the Labels Really Mean
A personal item must fit under the seat and is often included with the fare. A carry-on usually goes in the overhead bin and may cost extra on some fares. The same backpack can qualify as one or the other depending on its packed size, the airline, the aircraft, and the ticket rules.
The safest test is not the stated liter capacity—it is whether the fully packed backpack fits your airline’s current sizer without forcing it.
How to Pack Winter Gear Without Overstuffing
- Build one clothing system: pack a base layer, warm midlayer, and weather shell instead of several bulky sweaters.
- Wear the largest items: travel in your coat and boots when practical.
- Use one cube per category: clothing, underwear and sleepwear, and accessories.
- Protect electronics: keep the laptop against the back panel and place chargers in a separate pouch.
- Separate damp items: use the wet pocket for short-term storage, then air-dry the contents and bag.
- Check the final size: measure the widest, tallest, and deepest points after closing every zipper.
Backpacks with external USB ports do not create power. They route a cable from an internal power bank. Under current FAA lithium-battery rules, power banks and spare lithium batteries must remain in carry-on baggage and must be removed if the bag is gate-checked.
Frequently Asked Questions
How do I choose the right size and features for winter travel?
Choose the smallest packed size that holds your real winter list. A 20–30L pack is usually enough for commuting or an overnight trip, while 30–40L gives you more space for layers and shoes. Prioritize comfortable straps, a measured laptop sleeve, a secure opening, and moisture separation before extras such as USB ports.
Will a travel backpack fit as a personal item on every airline?
No. Airlines set their own size and weight rules, and some fares include only a personal item. Compare your fully packed bag with the carrier’s current limit before every trip. A soft bag that measures correctly when empty can become too deep after you add bulky clothing.
How do I protect electronics and wet winter gear?
Use the padded laptop area, place documents and electronics in water-resistant inner pouches, and keep damp gloves or toiletries in a wet pocket or sealed bag. Water-resistant fabric is not fully waterproof, so use a rain cover or internal dry bag in sustained snow or rain.
Does a backpack USB port include a battery?
Usually not. It is normally a cable pass-through that connects your phone to a power bank stored inside the bag. The power bank must stay in the cabin and should be removed if the backpack is gate-checked.
How should I clean and store a travel backpack after a winter trip?
Empty every pocket, brush away salt and grit, and spot-clean the fabric according to the care label. Open the wet pocket and main compartment until fully dry. Store the bag uncompressed in a cool, dry place so moisture and odors do not remain trapped.
Which Backpack Fits Different Travel Priorities?
Choose the Taygeer when low weight and price matter most. Pick the LOVEVOOK laptop backpack for work, teaching, and detailed small-item organization. Choose the Women’s Jester for the best support and a smaller daily-carry shape. The three LOVEVOOK 40L models suit travelers who want clamshell packing, wet-item separation, and included organizers, but they require the most care with airline sizing.
Wrapping Up
The best winter travel backpack is the one that fits your packed gear and your airline’s current rule—not the one with the biggest capacity claim. Measure after packing, protect electronics from moisture, keep power banks in the cabin, and avoid filling soft-sided bags until they bulge.
For value, the Taygeer is the easiest budget choice. For everyday comfort, the Women’s Jester is the strongest. For organized multi-day packing, the LOVEVOOK 40L sets offer the most accessories. Prioritize fit, comfort, and honest weather protection over marketing labels, and your bag will be easier to carry from the airport to cold-weather streets.
Winter Travel Backpack Comparison
| Product | Image | Rating | Dimensions | Total Capacity |
|---|---|---|---|---|
| Taygeer Travel Backpack for Women |
|
4.7/5 (about 28,478 ratings; checked July 30, 2026) | 7 × 11 × 16.8 inches | 35L stated |
| LOVEVOOK Laptop Backpack for Women |
|
4.8/5 (about 1,092 ratings; checked July 30, 2026) | 8 × 12 × 17.5 inches | Not reliably published; current 0.5L marketplace field is erroneous |
| The North Face Women’s Jester Backpack |
|
4.7/5 (about 17,941 ratings; checked July 30, 2026) | 6.75 × 11 × 17.25 inches | 27L official |
| LOVEVOOK 40L Travel Backpack With Packing Cubes |
|
4.8/5 (about 3,671 ratings; checked July 30, 2026) | 18 × 14 × 8 inches (seller-listed) | 40L stated |
| LOVEVOOK 40L Travel Backpack |
|
4.8/5 (about 3,278 ratings; checked July 30, 2026) | 8 × 14 × 18 inches | 40L stated |
| LOVEVOOK Large 40L Travel Backpack |
|
4.8/5 (about 1,196 ratings visible in current comparison data) | Not reliably published; current 5 × 6 × 5-inch field is erroneous | 40L stated |
This roundup is reader-supported. When you click through affiliate links, we may earn a referral commission on qualifying purchases.
Sources
- Transportation Security Administration: Carry-On Size Restrictions — confirms that cabin-bag dimensions vary by airline.
- Federal Aviation Administration: PackSafe Lithium Batteries — supports power-bank and spare-battery cabin rules.
- American Airlines Carry-On Baggage — current personal-item and carry-on dimensions.
- Frontier Airlines Bag Size Limits — current personal-item dimensions and sizer guidance.
- The North Face Women’s Jester Backpack — official capacity, dimensions, weight, sleeve size, materials, and suspension details.
- LOVEVOOK 40L Travel Backpack — brand specifications for the four-piece 40L travel-backpack format.