Tom Bihn
Aeronaut 45
$355
Best Travel Backpacks · head-to-head
Aeronaut 45 vs Black Hole Pack 32L
A sourced, side-by-side comparison. Black Hole Pack 32L is cheaper at $179. Every spec and price links to its source.
Patagonia
Black Hole Pack 32L
$179Cheaper
Which is better: the Aeronaut 45 or Black Hole Pack 32L?
The Black Hole Pack 32L wins 1 of the 1 specs we compare head to head; the other wins 0. The Black Hole Pack 32L is the cheaper at $179. The Black Hole Pack 32L 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 | Aeronaut 45 | Black Hole Pack 32L |
|---|---|---|
| US price | $355 | $179 |
| Brand | Tom Bihn | Patagonia |
| Released | — | — |
| 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 |
| Release | — | — |
Sources — Aeronaut 45: tombihn.com (verified 2026-06-15). Black Hole Pack 32L: patagonia.com (verified 2026-06-15).
What's the difference between the Aeronaut 45 and Black Hole Pack 32L?
Where the two actually differ on the specs we track (4 of 7). Matching specs are omitted.
- 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