Exped Skyline 20 vs Timbuk2 Robin Commuter Backpack
The Exped Skyline 20 is 20L and 0.9kg2lb; the Timbuk2 Robin Commuter Backpack is 20L and 0.89kg2lb. The Timbuk2 Robin Commuter Backpack is 0.01kg0lb lighter. The Exped Skyline 20 costs $39 less. The Exped Skyline 20 fits the carry-on limit of 31 of 36 major airlines and the Timbuk2 Robin Commuter Backpack fits 36; under the seat, 0 and 0 of 26.
| Spec | Exped Skyline 20 | Timbuk2 Robin Commuter Backpack |
|---|---|---|
| Price | $160Best | $199 |
| Volume | 20L | 20L |
| Weight | 0.9kg2lb | 0.89kg2lbBest |
| Carry-on compliance | 86% | 100%Best |
| Personal-item compliance | 0% | 0% |
| Dimensions | 52×29×22cm20.5×11.5×8.5in | 46.2×27×14cm18×10.5×5.5in |
| Laptop | no laptop sleeve | 13" |
| Compartments | 2 | n/a |
| Bottle pockets | 2 | n/a |
| Compression straps | 0 | n/a |
| Opening | Panel access | Magnetic flap top |
| Warranty | 5 years | Lifetime |
| Torso length | 43 to 57cm (17 to 22.5in) | n/a |
| Sizes | S/M, M/L | n/a |
| Organizer | No | No |
| Shoe compartment | No | No |
| Hydration sleeve | Yes | No |
| Frame sheet | No | No |
| Water-resistant | Yes | Yes |
| Rain cover | Yes | Removable |
| MOLLE | No | No |
| Hip belt | Yes | Removable |
| Sternum strap | No | Removable |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | No | No |
| Camera compartment | No | No |
| Material | Recycled 450x300D polyester, PU coated (1,500mm water column), bluesign-approved, PFAS-free | Eco Cordura 1200 x 1500D recycled polyester with a water-resistant drop liner |
| Last checked | 2026-09 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Exped Skyline 20 | Timbuk2 Robin Commuter Backpack |
|---|---|---|---|
| Air Arabia | Carry-on | Too big | Fits |
| Air India | Carry-on | Too big | Fits |
| Qatar Airways | Carry-on | Too big | Fits |
| Ryanair | Carry-on | Too big | Fits |
| Vueling | Carry-on | Too big | Fits |
Add more bags to this comparison
Specs come from each brand's own product page. Fit uses listed dimensions in any orientation. How we score carry-on fit.