# Aeronaut 45 vs Black Hole Pack 32L: specs and price compared

A sourced, side-by-side comparison of the Aeronaut 45 (Tom Bihn) and Black Hole Pack 32L (Patagonia) among travel backpacks. Black Hole Pack 32L is the cheaper of the two at $179.

## Side by side

| Spec | Aeronaut 45 | Black Hole Pack 32L |
| --- | --- | --- |
| US price | $355 | $179 |
| Brand | Tom Bihn | Patagonia |
| Capacity liters | 45 | 32 |
| Weight (lb) | 2.94 | 1.79 |
| Laptop size (in) | — | 15 |
| Carry on compliant | Yes | Yes |
| Material | 630D bluesign-certified ballistic nylon exterior, 210D Cerylon nylon ripstop interior, YKK Racquet Coil water-repellent zippers | 300D 100% postconsumer recycled polyester ripstop, recycled TPU-film laminate; 200D recycled polyester PU-coated lining |
| Warranty years | 99 | 99 |
| Dimensions (in) | 21.9 x 14 x 9.1 in | 22 x 10.5 x 6.75 in |

## Key differences

- Capacity liters: Aeronaut 45 45 vs Black Hole Pack 32L 32
- Weight (lb): Aeronaut 45 2.94 vs Black Hole Pack 32L 1.79
- Material: Aeronaut 45 630D bluesign-certified ballistic nylon exterior, 210D Cerylon nylon ripstop interior, YKK Racquet Coil water-repellent zippers vs Black Hole Pack 32L 300D 100% postconsumer recycled polyester ripstop, recycled TPU-film laminate; 200D recycled polyester PU-coated lining
- Dimensions (in): Aeronaut 45 21.9 x 14 x 9.1 in vs Black Hole Pack 32L 22 x 10.5 x 6.75 in

## Sources

- Aeronaut 45: https://www.tombihn.com/products/aeronaut-45 (tombihn.com, verified 2026-06-15)
- Black Hole Pack 32L: https://www.patagonia.com/product/black-hole-pack-32-liters/49302.html (patagonia.com, verified 2026-06-15)

Canonical: https://frontdeskreview.com/gear/travel-backpacks/tom-bihn-aeronaut-45-vs-patagonia-black-hole-pack-32l/
Cite: Per The Front Desk Review, Aeronaut 45 ($355) vs Black Hole Pack 32L ($179) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/travel-backpacks/tom-bihn-aeronaut-45-vs-patagonia-black-hole-pack-32l/
License: CC BY 4.0.