Rains OTG Backpack vs WaterField Designs Tech Folio Backpack
The Rains OTG Backpack is 19L and 1.28kg2.8lb; the WaterField Designs Tech Folio Backpack is 19L and 1.3kg2.9lb. The Rains OTG Backpack is 0.02kg0lb lighter. The Rains OTG Backpack costs $204 less. The Rains OTG Backpack fits the carry-on limit of 36 of 36 major airlines and the WaterField Designs Tech Folio Backpack fits 36; under the seat, 1 and 9 of 26.
| Spec | Rains OTG Backpack | WaterField Designs Tech Folio Backpack |
|---|---|---|
| Price | $195Best | $399 |
| Volume | 19L | 19L |
| Weight | 1.28kg2.8lbBest | 1.3kg2.9lb |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 4% | 35%Best |
| Dimensions | 46×32×12cm18×12.5×4.5in | 39.4×31.1×15.9cm15.5×12×6.5in |
| Laptop | 15" | 16"Best |
| Compartments | n/a | 2 |
| Opening | front flap with c-clips over a magnetic main compartment | front tech folio compartment zips all the way around, rear mobile office compartment zip |
| Warranty | 2 years | Lifetime |
| 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 | No |
| Hip belt | No | No |
| Sternum strap | No | No |
| 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 | 1680D black ballistic nylon or 14 oz waxed canvas, full-grain leather accents, waterproof zippers |
| Last checked | 2026-09 | 2026-10 |
Where their airline fit differs
| Airline | Limit | Rains OTG Backpack | WaterField Designs Tech Folio Backpack |
|---|---|---|---|
| Air Canada | Personal item | Too big | Fits |
| 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 |
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.