MindShift Gear BackLight 18L vs Timbuk2 Foundry Pack
The MindShift Gear BackLight 18L is 18L and 1.6kg3.5lb; the Timbuk2 Foundry Pack is 18L and 1.5kg3.3lb. The Timbuk2 Foundry Pack is 0.1kg0.2lb lighter. The MindShift Gear BackLight 18L costs $19.25 less. The MindShift Gear BackLight 18L fits the carry-on limit of 36 of 36 major airlines and the Timbuk2 Foundry Pack fits 36; under the seat, 0 and 0 of 26.
| Spec | MindShift Gear BackLight 18L | Timbuk2 Foundry Pack |
|---|---|---|
| Price | $249.75Best | $269 |
| Volume | 18L | 18L |
| Weight | 1.6kg3.5lb | 1.5kg3.3lbBest |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 47×27×18cm18.5×10.5×7in | 48×34×13cm19×13.5×5in |
| Laptop | 13" | 15"Best |
| Bottle pockets | 2 | 1 |
| Opening | Panel access, rear panel | n/a |
| Warranty | Lifetime | Lifetime |
| Organizer | No | Yes |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | No | No |
| Rain cover | Yes | No |
| MOLLE | No | No |
| Hip belt | Yes | No |
| Sternum strap | No | No |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | No | Yes |
| Camera compartment | Yes | No |
| Material | 420D Velocity and 420D high-density nylon | Waxed cotton canvas with leather details |
| Last checked | 2026-09 | 2026-09 |
Where their airline fit differs
Both bags pass and fail the same airline size limits.
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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.