Peak Design
Travel Backpack 45L
$299.95Cheaper
Released 2018
Best Travel Backpacks · head-to-head
Travel Backpack 45L vs Aeronaut 45
A sourced, side-by-side comparison. Travel Backpack 45L is cheaper at $299.95. Every spec and price links to its source.
Tom Bihn
Aeronaut 45
$355
Which is better: the Travel Backpack 45L or Aeronaut 45?
The Aeronaut 45 wins 1 of the 1 specs we compare head to head; the other wins 0. The Travel Backpack 45L is the cheaper at $299.95. Get the Aeronaut 45 for the stronger spec sheet, the Travel Backpack 45L to spend less.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Travel Backpack 45L | Aeronaut 45 |
|---|---|---|
| US price | $299.95 MSRP, V2 (BTR-45-BK-2), Black | $355 |
| Brand | Peak Design | Tom Bihn |
| Released | 2018 | — |
| Capacity liters | 45 | 45 |
| Weight (lb) | 4.55 | 2.94 |
| Laptop size (in) | 16 | — |
| Carry on compliant | Yes | Yes |
| Material | 400D recycled nylon canvas, 900D nylon bottom, DWR-coated polyurethane liner | 630D bluesign-certified ballistic nylon exterior, 210D Cerylon nylon ripstop interior, YKK Racquet Coil water-repellent zippers |
| Warranty years | 99 | 99 |
| Dimensions (in) | 22 x 13 x 9.5 in | 21.9 x 14 x 9.1 in |
| Release | 2018 | — |
Sources — Travel Backpack 45L: peakdesign.com (verified 2026-06-15). Aeronaut 45: tombihn.com (verified 2026-06-15).
What's the difference between the Travel Backpack 45L and Aeronaut 45?
Where the two actually differ on the specs we track (3 of 7). Matching specs are omitted.
- Weight (lb): Travel Backpack 45L 4.55 vs Aeronaut 45 2.94
- Material: Travel Backpack 45L 400D recycled nylon canvas, 900D nylon bottom, DWR-coated polyurethane liner vs Aeronaut 45 630D bluesign-certified ballistic nylon exterior, 210D Cerylon nylon ripstop interior, YKK Racquet Coil water-repellent zippers
- Dimensions (in): Travel Backpack 45L 22 x 13 x 9.5 in vs Aeronaut 45 21.9 x 14 x 9.1 in