Aer
Aer Travel Pack 3
$249Cheaper
Best Travel Backpacks · head-to-head
Aer Travel Pack 3 vs Tortuga Travel Backpack Pro 40L
A sourced, side-by-side comparison. Aer Travel Pack 3 is cheaper at $249. Every spec and price links to its source.
Tortuga
Tortuga Travel Backpack Pro 40L
$350
Released 2025
Which is better: the Aer Travel Pack 3 or Tortuga Travel Backpack Pro 40L?
The Aer Travel Pack 3 wins 1 of the 1 specs we compare head to head; the other wins 0. The Aer Travel Pack 3 is the cheaper at $249. The Aer Travel Pack 3 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 | Aer Travel Pack 3 | Tortuga Travel Backpack Pro 40L |
|---|---|---|
| US price | $249 | $350 |
| Brand | Aer | Tortuga |
| Released | — | 2025 |
| Capacity liters | 35 | 40 |
| Weight (lb) | 4.12 | 4.5 |
| Laptop size (in) | 16 | 16 |
| Carry on compliant | Yes | Yes |
| Material | 1680D Cordura ballistic nylon (bluesign approved), YKK zippers, Duraflex hardware | ECOPAK EPX200 waterproof sailcloth (100% recycled polyester), YKK AquaGuard zippers, Woojin buckles |
| Warranty years | 99 | 99 |
| Dimensions (in) | 21.5 x 13 x 9 in | 22 x 14 x 8 in |
| Release | — | 2025 |
Sources — Aer Travel Pack 3: aersf.com (verified 2026-06-15). Tortuga Travel Backpack Pro 40L: tortugabackpacks.com (verified 2026-09-21).
What's the difference between the Aer Travel Pack 3 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: Aer Travel Pack 3 35 vs Tortuga Travel Backpack Pro 40L 40
- Weight (lb): Aer Travel Pack 3 4.12 vs Tortuga Travel Backpack Pro 40L 4.5
- Material: Aer Travel Pack 3 1680D Cordura ballistic nylon (bluesign approved), YKK zippers, Duraflex hardware vs Tortuga Travel Backpack Pro 40L ECOPAK EPX200 waterproof sailcloth (100% recycled polyester), YKK AquaGuard zippers, Woojin buckles
- Dimensions (in): Aer Travel Pack 3 21.5 x 13 x 9 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.
Aer Travel Pack 3
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.