Peak Design
Travel Backpack 45L
$299.95
Released 2018
Best Travel Backpacks · head-to-head
Travel Backpack 45L vs Allpa 35L Travel Pack
A sourced, side-by-side comparison. Allpa 35L Travel Pack is cheaper at $229. Every spec and price links to its source.
Cotopaxi
Allpa 35L Travel Pack
$229Cheaper
Which is better: the Travel Backpack 45L or Allpa 35L Travel Pack?
The Allpa 35L Travel Pack wins 1 of the 1 specs we compare head to head; the other wins 0. The Allpa 35L Travel Pack is the cheaper at $229. The Allpa 35L Travel Pack both leads on specs and costs less — the straightforward pick.
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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 | Allpa 35L Travel Pack |
|---|---|---|
| US price | $299.95 MSRP, V2 (BTR-45-BK-2), Black | $229 MSRP; REI currently lists $230 |
| Brand | Peak Design | Cotopaxi |
| Released | 2018 | — |
| Capacity liters | 45 | 35 |
| Weight (lb) | 4.55 | 2.93 |
| Laptop size (in) | 16 | 15 |
| Carry on compliant | Yes | No |
| Material | 400D recycled nylon canvas, 900D nylon bottom, DWR-coated polyurethane liner | 100% recycled 840D TPU-coated nylon, 840D ballistic ripstop nylon bottom, recycled ripstop polyester lining |
| Warranty years | 99 | 99 |
| Dimensions (in) | 22 x 13 x 9.5 in | 22 x 12 x 10 in |
| Release | 2018 | — |
Sources — Travel Backpack 45L: peakdesign.com (verified 2026-06-15). Allpa 35L Travel Pack: cotopaxi.com (verified 2026-06-15).
What's the difference between the Travel Backpack 45L and Allpa 35L Travel Pack?
Where the two actually differ on the specs we track (6 of 7). Matching specs are omitted.
- Capacity liters: Travel Backpack 45L 45 vs Allpa 35L Travel Pack 35
- Weight (lb): Travel Backpack 45L 4.55 vs Allpa 35L Travel Pack 2.93
- Laptop size (in): Travel Backpack 45L 16 vs Allpa 35L Travel Pack 15
- Carry on compliant: Travel Backpack 45L true vs Allpa 35L Travel Pack false
- Material: Travel Backpack 45L 400D recycled nylon canvas, 900D nylon bottom, DWR-coated polyurethane liner vs Allpa 35L Travel Pack 100% recycled 840D TPU-coated nylon, 840D ballistic ripstop nylon bottom, recycled ripstop polyester lining
- Dimensions (in): Travel Backpack 45L 22 x 13 x 9.5 in vs Allpa 35L Travel Pack 22 x 12 x 10 in