Patagonia Black Hole Duffel 55L vs Topo Designs Mountain Gear Bag
The Patagonia Black Hole Duffel 55L is 55L and 1.18kg2.6lb; the Topo Designs Mountain Gear Bag is 52L and 1.19kg2.6lb. The Patagonia Black Hole Duffel 55L is 0.01kg0lb lighter. The Topo Designs Mountain Gear Bag costs $20 less. The Patagonia Black Hole Duffel 55L fits the carry-on limit of 2 of 36 major airlines and the Topo Designs Mountain Gear Bag fits 1; under the seat, 0 and 0 of 26.
| Spec | Patagonia Black Hole Duffel 55L | Topo Designs Mountain Gear Bag |
|---|---|---|
| Price | $179 | $159Best |
| Volume | 55L | 52L |
| Weight | 1.18kg2.6lbBest | 1.19kg2.6lb |
| Carry-on compliance | 6%Best | 3% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 33.8×57.9×24.1cm13.5×23×9.5in | 35.6×50.8×26.7cm14×20×10.5in |
| Laptop | no laptop sleeve | no laptop sleeve |
| Bottle pockets | 0 | n/a |
| Opening | zippered main compartment | Roll-top, Roll-top top panel |
| Warranty | Lifetime | Lifetime |
| Organizer | Yes | No |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | Yes | Yes |
| Rain cover | No | No |
| MOLLE | No | No |
| Hip belt | No | No |
| Sternum strap | No | No |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | No | No |
| Camera compartment | No | No |
| Material | 14.1-oz 900-denier 100% postconsumer recycled polyester ripstop with recycled TPU-film laminate, 200-denier recycled polyester lining | 1000D recycled nylon, 200D lightweight recycled nylon, 10 oz vinyl tarp liner |
| Last checked | 2026-09 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Patagonia Black Hole Duffel 55L | Topo Designs Mountain Gear Bag |
|---|---|---|---|
| Frontier Airlines | Carry-on | Fits | Too big |
| Singapore Airlines | Carry-on | Too big | Fits |
| Southwest Airlines | Carry-on | Fits | Too big |
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Specs come from each brand's own product page. Fit uses listed dimensions in any orientation. How we score carry-on fit.