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SEG42 Travel Pack

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SEG42 Travel Pack is built for maximum organization in a minimalist design. The segmented architecture offers efficient organization and quick access to your belongings during travel.

Best For: Organization and travel
42 liter capacity
5 Segments for organization
Laptop compatible
Qualifies for free shipping (USA)

- 42 liter maximum capacity (variable from segments to clamshell)
- 5 Segments for organization (up to 42 liters)
- Full clamshell bottom compartment (up to 42 liters)
- Padded external access laptop pocket
- Zip away panel to stow segments for gear hauling (up to 42 liters)
- 2 end pockets for small items
- PU coated sealing zippers
- Stowable backpack straps
- Sternum strap, detachable
- Anodized aluminum hardware
- Hypalon lash points and strap mounting points
- Padded carry handles on multiple sides
- EVA padded back panel and shoulder straps
- Patent(s) Pending
- Also available in 30 liters

Volume: 42 liters
Weight: 2lbs 4oz (1030 grams)
Dimensions: 12.5 x 22 x 11.5in (31.75 x 55.88 x 29.21cm)
Carry-on compliant (most airlines)

- 420D Bluesign® nylon, PU coated, DWR coating (PFC free)
- 100D Bluesign® nylon, PU coated, DWR finish
- EVA foam padded straps and handles
- Bartack reinforced construction
- Hypalon tether and touch points

Coating Specs
- PU coating (polyurethane): durable waterproofing
- PU coated water resistant zippers

Are SEG Series Packs waterproof?
SEG packs are built from waterproof materials and have sealing zippers, they can withstand light or short rain.

Will the SEG42 fit a laptop?
Yes, up to a 16" laptops.

Is the SEG42 carry on size compliant?
Yes, for most airlines the softsided design complies to carry on size requirements.

Do the backpack straps stow away for airport checking?
Yes, the backpack straps easily stow away.

Can I use a shoulder strap with the SEG42?
Yes, strap is not included.

Does this bag have a warranty?
Yes, this product is warrantied for 3 years. Bags in and out of warranty are eligible for repairs.

Warning: This product can expose you to chemicals including DMF which is known to the State of California to cause cancer. For more information go to

Person wearing SEG42 in dark, rainy scene

Designed for one bag travel

SEG42 keeps you organized in one bag, with everything instantly accessible from the outside. Light to carry and fast to access, SEG42 is the first piece of equipment designed purely around travel performance.

man holding SEG42, displaying the segmented zippers


Organize by day, type, or size within the segmented external access pockets. Stow large or dirty items in the clamshell compartment beneath. Flexible compartments trade space, adapting as you travel.

Man opening clam shell bag with segmented pockets


The SEG42 will revolutionize the way you pack. Freedom from packing cubes, laundry bags, and superfluous features, the SEG42’s ground up organization system is specifically designed for lightweight, effective travel.

SEG42 on white background with line diagram showing the 5 segments

Maximum organization

Full 42 liter volume is divided into 5 segments that can be organized by day, type, or size.

SEG42 on white background with line diagram showing how a boot fits into the bag

Flexible organization

Large clamshell compartment borrows space from the segments, ideal for large or dirty items.

SEG42 on white background with line diagram showing the full 42 liters

Bulk transport

Stow segmented pockets with zip away panel to use as an open 42 liter gear hauler.

Hands placing rolled up clothing inside a segmented pocket of the SEG42

Segmented organization

Pack shirts in one segment and socks in another. Access everything quickly through external zipper segments. Find what you need without unloading your bag or digging through your gear.

Hands placing boots in clamshell compartment of SEG42

Full clamshell

The bottom of the bag has a full clamshell zipper for large or dirty items, like shoes or laundry. The usable volume shifts between the segments and the large clamshell compartment, adapting as you travel. The segments can also be stowed away for use as a traditional duffle bag.

"I love this backpack"

It’s like packing your stuff into a dresser, but then you can strap it on your back and go anywhere. The dream solution for someone who is serious about organization while on the road.

- Dan (verified customer)


This bag met all of my expectations and feels equally appropriate for a camping road trip as a flight to an urban center abroad. Goodbye, rolling carry-ons.

- Mike L. (verified customer)