# Allpa 35L Travel Pack vs Aeronaut 45: specs and price compared

A sourced, side-by-side comparison of the Allpa 35L Travel Pack (Cotopaxi) and Aeronaut 45 (Tom Bihn) among travel backpacks. Allpa 35L Travel Pack is the cheaper of the two at $229.

## Side by side

| Spec | Allpa 35L Travel Pack | Aeronaut 45 |
| --- | --- | --- |
| US price | $229 | $355 |
| Brand | Cotopaxi | Tom Bihn |
| Capacity liters | 35 | 45 |
| Weight (lb) | 2.93 | 2.94 |
| Laptop size (in) | 15 | — |
| Carry on compliant | No | Yes |
| Material | 100% recycled 840D TPU-coated nylon, 840D ballistic ripstop nylon bottom, recycled ripstop polyester lining | 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 12 x 10 in | 21.9 x 14 x 9.1 in |

## Key differences

- Capacity liters: Allpa 35L Travel Pack 35 vs Aeronaut 45 45
- Weight (lb): Allpa 35L Travel Pack 2.93 vs Aeronaut 45 2.94
- Carry on compliant: Allpa 35L Travel Pack No vs Aeronaut 45 Yes
- Material: Allpa 35L Travel Pack 100% recycled 840D TPU-coated nylon, 840D ballistic ripstop nylon bottom, recycled ripstop polyester lining vs Aeronaut 45 630D bluesign-certified ballistic nylon exterior, 210D Cerylon nylon ripstop interior, YKK Racquet Coil water-repellent zippers
- Dimensions (in): Allpa 35L Travel Pack 22 x 12 x 10 in vs Aeronaut 45 21.9 x 14 x 9.1 in

## Sources

- Allpa 35L Travel Pack: https://www.cotopaxi.com/products/allpa-35l-travel-pack-4 (cotopaxi.com, verified 2026-06-15)
- Aeronaut 45: https://www.tombihn.com/products/aeronaut-45 (tombihn.com, verified 2026-06-15)

Canonical: https://frontdeskreview.com/gear/travel-backpacks/cotopaxi-allpa-35l-vs-tom-bihn-aeronaut-45/
Cite: Per The Front Desk Review, Allpa 35L Travel Pack ($229) vs Aeronaut 45 ($355) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/travel-backpacks/cotopaxi-allpa-35l-vs-tom-bihn-aeronaut-45/
License: CC BY 4.0.