Rains OTG Backpack vs Vertx Ready Pack X
The Rains OTG Backpack is 19L and 1.28kg2.8lb; the Vertx Ready Pack X is 20L and 1.29kg2.8lb. The Rains OTG Backpack is 0.01kg0lb lighter. The Rains OTG Backpack costs $27.99000000000001 less. The Rains OTG Backpack fits the carry-on limit of 36 of 36 major airlines and the Vertx Ready Pack X fits 36; under the seat, 1 and 8 of 26.
| Spec | Rains OTG Backpack | Vertx Ready Pack X |
|---|---|---|
| Price | $195Best | $222.99 |
| Volume | 19L | 20L |
| Weight | 1.28kg2.8lbBest | 1.29kg2.8lb |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 4% | 31%Best |
| Dimensions | 46×32×12cm18×12.5×4.5in | 41.9×27.9×19.1cm16.5×11×7.5in |
| Laptop | 15" | 15" |
| Bottle pockets | n/a | 2 |
| Opening | front flap with c-clips over a magnetic main compartment | Zippered main compartment |
| Warranty | 2 years | 2 years |
| Organizer | Yes | Yes |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | Yes | No |
| Rain cover | No | No |
| MOLLE | No | Yes |
| Hip belt | No | No |
| Sternum strap | No | Yes |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | Yes | Yes |
| Camera compartment | No | No |
| Material | Rains waterproof PU fabric (100% PES), 8,000 mm water column, TPU details | 500D nylon and 420D nylon mini ripstop shell, 210HD nylon PU-coated lining |
| Last checked | 2026-09 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Rains OTG Backpack | Vertx Ready Pack X |
|---|---|---|---|
| Allegiant Air | Personal item | Too big | Fits |
| American Airlines | Personal item | Too big | Fits |
| British Airways | Personal item | Too big | Fits |
| easyJet | Personal item | Too big | Fits |
| JetBlue Airways | Personal item | Too big | Fits |
| LATAM Airlines | Personal item | Too big | Fits |
| Volaris | 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.