Cotopaxi Todo 8L Sling vs Gossamer Gear Piku Sling
The Cotopaxi Todo 8L Sling is 8L and 0.28kg0.6lb; the Gossamer Gear Piku Sling is 9L and 0.25kg0.6lb. The Gossamer Gear Piku Sling is 0.03kg0.1lb lighter. The Cotopaxi Todo 8L Sling costs $5 less. The Cotopaxi Todo 8L Sling fits the carry-on limit of 36 of 36 major airlines and the Gossamer Gear Piku Sling fits 36; under the seat, 20 and 23 of 26.
| Spec | Cotopaxi Todo 8L Sling | Gossamer Gear Piku Sling |
|---|---|---|
| Price | $70Best | $75 |
| Volume | 8L | 9L |
| Weight | 0.28kg0.6lb | 0.25kg0.6lbBest |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 77% | 88%Best |
| Dimensions | 25.4×35.6×10.2cm10×14×4in | 15.2×31.8×12.7cm6×12.5×5in |
| Laptop | no laptop sleeve | no laptop sleeve |
| Opening | L-shaped main compartment opening from the side or top | Roll-top, Roll top with magnetic closure |
| Warranty | Lifetime | 1 year |
| Organizer | Yes | Yes |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | No | No |
| 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 |
| Bike-ready | No | No |
| Material | 100% recycled polyester | Riptide Ripstop 100D recycled Robic nylon, UHMWPE stretch mesh, PFAS free |
| Last checked | 2026-09 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Cotopaxi Todo 8L Sling | Gossamer Gear Piku Sling |
|---|---|---|---|
| Air Arabia | Personal item | Too big | Fits |
| Cebu Pacific | Personal item | Too big | Fits |
| United Airlines | Personal item | 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.