GORUCK GR1 26L vs Tortuga Expandable Backpack
The GORUCK GR1 26L is 26L and 1.6kg3.5lb; the Tortuga Expandable Backpack is 27L and 1.6kg3.5lb. They weigh the same. The Tortuga Expandable Backpack costs $145 less. The GORUCK GR1 26L fits the carry-on limit of 35 of 36 major airlines and the Tortuga Expandable Backpack fits 36; under the seat, 0 and 0 of 26.
| Spec | GORUCK GR1 26L | Tortuga Expandable Backpack |
|---|---|---|
| Price | $395 | $250Best |
| Volume | 26L | 27L |
| Expands to | n/a | 32.5L |
| Weight | 1.6kg3.5lb | 1.6kg3.5lb |
| Carry-on compliance | 97% | 100%Best |
| Personal-item compliance | 0% | 0% |
| Dimensions | 51×30×17cm20×12×6.5in | 49×32×18cm19.5×12.5×7in |
| Laptop | 16" | 16" |
| Bottle pockets | 0 | 1 |
| Compression straps | 0 | 0 |
| Opening | Clamshell, Single main compartment opens flat for packing; quick-access zipper pocket under top handle | Panel access, front-loading |
| Warranty | Lifetime | Lifetime |
| Torso length | n/a | 43 to 48cm (17 to 19in) |
| Fit | n/a | Unisex |
| Organizer | No | Yes |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | Removable | No |
| Water-resistant | Yes | No |
| Rain cover | No | No |
| MOLLE | Yes | No |
| Hip belt | No | Removable |
| Sternum strap | No | Yes |
| Load lifters | No | Yes |
| Shoulder strap | Yes | No |
| Luggage pass-through | No | Yes |
| Camera compartment | No | No |
| Material | 1000D Cordura (back panel material varies by colorway) | 630D CORDURA re/cor RN6 nylon |
| Last checked | 2026-09 | 2026-09 |
Where their airline fit differs
| Airline | Limit | GORUCK GR1 26L | Tortuga Expandable Backpack |
|---|---|---|---|
| Qatar Airways | Carry-on | Too big | Fits |
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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.