Based on 3 r/BuyItForLife mentions

Aeronaut 30 Multi-carry duffel

$355.00

Tom Bihn

Tough maximum-sized carry-on for US and major international airlines. Convertable from hand or shoulder-carry duffel to backpack. Expandable main compartment. 5 pockets and handles placed for use as a overhead bin bag. Designed and sewn in Seattle, WA, USA with globally sourced materials from Korea / Japan / USA.

Reddit mentions

  • “A Tom Bihn Aeronaut 30 in Purple is probably the best advice I can give. You didn't really list very specific requirements, so I will assume 30L is enough for 2-4 days for two…”
  • “Tom Bihn is great (and made in Seattle). Our household has 2 Synik 30s (2 years old) and an Aeronaut 45 (10 years old).”
  • “Check out Tom Bihn laptop bags. I’d recommend the Pilot but they have plenty of options.”
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Product details
Storage Capacity
30 L
Material
Ballistic, 1050 Ballistic, 1050d ballistic nylon, 420d Spectron, 630d ballistic nylon
Size
Maximum-sized carry-on
Closure Type
Zipper
Depth
8 in
Height
12.5 in
Width
20 in
Waterproof
Water-Repellent Zippers
Shell Type
Soft-shell
Suitable Activity
Travel
Suitable Occasion
Shorter trips
Strap Type
Backpack straps
Handle Type
Intuitive handle placements (for use as a overhead bin bag)
Shoe Compartment
Yes (end pockets fit up to size 12 shoes)
Pockets
Quick-access pockets, End pockets (bookend-style), Zippered mesh pocket
Compartment Number
Multiple
Design Style
Minimalist
Carry On
Yes (maximum-sized carry-on for European and Asian airlines)
Rolling
No
Anti Theft
Lockable sliders (on Main & Side Pockets zippers)
Padded Straps
Yes (Soft, supportive Edgeless shoulder straps)
Hard Shell
No
Removable Straps
Yes (removable padded back panel)
Highlights
Expandable main compartment, Convertible from hand or shoulder-carry duffel to backpack
External Pockets
Yes (Two quick-access pockets)
Internal Pockets
Yes (zippered mesh pocket), Yes (Interior Pocket)
Number of Pockets
5
Pocket Type
Zippered mesh pocket, End pockets, Quick-access, Quick-access pockets
Attachment Type
Backpack, Hand-carry, Shoulder-carry
Zippers
YKK Vislon Molded Tooth Zippers (#5, Interior Divider Zippers), YKK Racquet Coil Water-Repellent Zippers (#10, Main & Side Pockets)
Lining
200 denier Halcyon/nylon ripstop
Internal Dividers
Yes (zippered dividers that unzip to create two or one large compartment), Yes (unzip-able dividers for customizable space)
Key Leash
O-Rings
Certifications
bluesign certified, OEKO-TEX certified