Peak Design
Peak Design Travel Backpack 45L
$299.95
Released 2018
Best Travel Backpacks · head-to-head
Peak Design Travel Backpack 45L vs Cotopaxi Allpa 35L Travel Pack
A sourced, side-by-side comparison. Cotopaxi Allpa 35L Travel Pack is cheaper at $229. Every spec and price links to its source.
Cotopaxi
Cotopaxi Allpa 35L Travel Pack
$229Cheaper
Which is better: the Peak Design Travel Backpack 45L or Cotopaxi Allpa 35L Travel Pack?
The Cotopaxi Allpa 35L Travel Pack wins 1 of the 1 specs we compare head to head; the other wins 0. The Cotopaxi Allpa 35L Travel Pack is the cheaper at $229. The Cotopaxi 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 | Peak Design Travel Backpack 45L | Cotopaxi 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 — Peak Design Travel Backpack 45L: peakdesign.com (verified 2026-06-15). Cotopaxi Allpa 35L Travel Pack: cotopaxi.com (verified 2026-09-21).
What's the difference between the Peak Design Travel Backpack 45L and Cotopaxi Allpa 35L Travel Pack?
Where the two actually differ on the specs we track (6 of 7). Matching specs are omitted.
- Capacity liters: Peak Design Travel Backpack 45L 45 vs Cotopaxi Allpa 35L Travel Pack 35
- Weight (lb): Peak Design Travel Backpack 45L 4.55 vs Cotopaxi Allpa 35L Travel Pack 2.93
- Laptop size (in): Peak Design Travel Backpack 45L 16 vs Cotopaxi Allpa 35L Travel Pack 15
- Carry on compliant: Peak Design Travel Backpack 45L true vs Cotopaxi Allpa 35L Travel Pack false
- Material: Peak Design Travel Backpack 45L 400D recycled nylon canvas, 900D nylon bottom, DWR-coated polyurethane liner vs Cotopaxi Allpa 35L Travel Pack 100% recycled 840D TPU-coated nylon, 840D ballistic ripstop nylon bottom, recycled ripstop polyester lining
- Dimensions (in): Peak Design Travel Backpack 45L 22 x 13 x 9.5 in vs Cotopaxi Allpa 35L Travel Pack 22 x 12 x 10 in