Cotopaxi Todo 8L Sling vs Patagonia Atom Sling 8L
The Cotopaxi Todo 8L Sling is 8L and 0.28kg0.6lb; the Patagonia Atom Sling 8L is 8L and 0.34kg0.7lb. The Cotopaxi Todo 8L Sling is 0.06kg0.1lb lighter. The Patagonia Atom Sling 8L costs $1 less. The Cotopaxi Todo 8L Sling fits the carry-on limit of 36 of 36 major airlines and the Patagonia Atom Sling 8L fits 36; under the seat, 20 and 23 of 26.
| Spec | Cotopaxi Todo 8L Sling | Patagonia Atom Sling 8L |
|---|---|---|
| Price | $70 | $69Best |
| Volume | 8L | 8L |
| Weight | 0.28kg0.6lbBest | 0.34kg0.7lb |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 77% | 88%Best |
| Dimensions | 25.4×35.6×10.2cm10×14×4in | 34.3×22.9×7.6cm13.5×9×3in |
| Laptop | no laptop sleeve | n/a |
| Compartments | n/a | 1 |
| Bottle pockets | n/a | 0 |
| Opening | L-shaped main compartment opening from the side or top | zippered main compartment with an internal divider |
| Warranty | Lifetime | Lifetime |
| Organizer | Yes | Yes |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | No | 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 | 100% recycled polyester | 400D 100% postconsumer recycled polyester ripstop with PU coating and PFAS-free DWR, 200D recycled polyester lining, recycled polyester airmesh strap |
| Last checked | 2026-09 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Cotopaxi Todo 8L Sling | Patagonia Atom Sling 8L |
|---|---|---|---|
| AirAsia | Personal item | Too big | Fits |
| Singapore Airlines | 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.