Best Travel Backpacks · head-to-head

Peak Design Travel Backpack 45L vs Tortuga Travel Backpack Pro 40L

A sourced, side-by-side comparison. Peak Design Travel Backpack 45L is cheaper at $299.95. Every spec and price links to its source.

Which is better: the Peak Design Travel Backpack 45L or Tortuga Travel Backpack Pro 40L?

The Tortuga Travel Backpack Pro 40L wins 1 of the 1 specs we compare head to head; the other wins 0. The Peak Design Travel Backpack 45L is the cheaper at $299.95. Get the Tortuga Travel Backpack Pro 40L for the stronger spec sheet, the Peak Design 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 Peak Design Travel Backpack 45L Tortuga Travel Backpack Pro 40L
US price $299.95 MSRP, V2 (BTR-45-BK-2), Black $350
BrandPeak DesignTortuga
Released20182025
Capacity liters 45 40
Weight (lb) 4.55 4.5
Laptop size (in) 16 16
Carry on compliant Yes Yes
Material 400D recycled nylon canvas, 900D nylon bottom, DWR-coated polyurethane liner ECOPAK EPX200 waterproof sailcloth (100% recycled polyester), YKK AquaGuard zippers, Woojin buckles
Warranty years 99 99
Dimensions (in) 22 x 13 x 9.5 in 22 x 14 x 8 in
Release 2018 2025

Sources — Peak Design Travel Backpack 45L: peakdesign.com (verified 2026-06-15). Tortuga Travel Backpack Pro 40L: tortugabackpacks.com (verified 2026-11-05).

What's the difference between the Peak Design Travel Backpack 45L and Tortuga Travel Backpack Pro 40L?

Where the two actually differ on the specs we track (4 of 7). Matching specs are omitted.

  • Capacity liters: Peak Design Travel Backpack 45L 45 vs Tortuga Travel Backpack Pro 40L 40
  • Weight (lb): Peak Design Travel Backpack 45L 4.55 vs Tortuga Travel Backpack Pro 40L 4.5
  • Material: Peak Design Travel Backpack 45L 400D recycled nylon canvas, 900D nylon bottom, DWR-coated polyurethane liner vs Tortuga Travel Backpack Pro 40L ECOPAK EPX200 waterproof sailcloth (100% recycled polyester), YKK AquaGuard zippers, Woojin buckles
  • Dimensions (in): Peak Design Travel Backpack 45L 22 x 13 x 9.5 in vs Tortuga Travel Backpack Pro 40L 22 x 14 x 8 in

What reviewers say

Sourced tester consensus for each — the "what people who used it think" layer, not just specs.

Peak Design Travel Backpack 45L

No sourced tester review yet.

Tortuga Travel Backpack Pro 40L

Only one whitelisted tester (Wirecutter) hands-on reviewed this exact model, naming it best backpack for dedicated single-bag travelers. They praise its suitcase-like packing, durable water-resistant sailcloth, and best-in-test adjustability and weight distribution, but flag the non-stowable shoulder straps and its 4.5-pound (4 lb 8 oz) empty weight. No other whitelisted source hands-on tested this exact model. (1 sourced review, 1 lab-tested.)

Praised: Suitcase-like, cavernous interior that is easy to pack and well organized; Most adjustable/customizable fit of all packs tested (torso, shoulder straps, waist belt); Durable, water-resistant sailcloth and best-in-test weight distribution under heavy load.

Flagged: Shoulder straps do not stow or remove, unlike competing picks; Heavy at 4.5 pounds empty, roughly 1.5 lb more than most other picks.

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