Kapten & Son Lund 16L vs Rains Book Daypack Large
The Kapten & Son Lund 16L is 16L and 0.8kg1.8lb; the Rains Book Daypack Large is 16L and 0.83kg1.8lb. The Kapten & Son Lund 16L is 0.03kg0.1lb lighter. The Kapten & Son Lund 16L fits the carry-on limit of 19 of 36 major airlines and the Rains Book Daypack Large fits 36; under the seat, 0 and 9 of 26.
| Spec | Kapten & Son Lund 16L | Rains Book Daypack Large |
|---|---|---|
| Price | n/a | $160 |
| Volume | 16L | 16L |
| Expands to | 18L | n/a |
| Weight | 0.8kg1.8lbBest | 0.83kg1.8lb |
| Carry-on compliance | 53% | 100%Best |
| Personal-item compliance | 0% | 35%Best |
| Dimensions | 41×38×14cm16×15×5.5in | 43×30×12cm17×12×4.5in |
| Laptop | 15.6" | 16"Best |
| Compartments | n/a | 1 |
| Opening | Zip closure, carabiner | coated zip closure |
| Warranty | n/a | 2 years |
| Organizer | No | No |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | Yes | 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 | Yes | No |
| Camera compartment | No | No |
| Material | 70% recycled PET, 27% PU, 3% polyester | Rains signature waterproof PU-coated polyester (100% PES), 8,000 mm water column |
| Last checked | 2026-10 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Kapten & Son Lund 16L | Rains Book Daypack Large |
|---|---|---|---|
| Air Canada | Personal item | Too big | Fits |
| Air France | Carry-on | Too big | Fits |
| AirAsia | Carry-on | Too big | Fits |
| Alaska Airlines | Carry-on | Too big | Fits |
| Allegiant Air | Personal item | Too big | Fits |
| American Airlines | Carry-on | Too big | Fits |
| American Airlines | Personal item | Too big | Fits |
| Avianca | Carry-on | Too big | Fits |
| British Airways | Personal item | Too big | Fits |
| Cebu Pacific | Carry-on | Too big | Fits |
| Delta Air Lines | Carry-on | Too big | Fits |
| easyJet | Personal item | Too big | Fits |
| Frontier Airlines | Personal item | Too big | Fits |
| Gol Linhas Aereas | Carry-on | Too big | Fits |
| IndiGo | Carry-on | Too big | Fits |
| JetBlue Airways | Carry-on | Too big | Fits |
| JetBlue Airways | Personal item | Too big | Fits |
| KLM | Carry-on | Too big | Fits |
| LATAM Airlines | Carry-on | Too big | Fits |
| LATAM Airlines | Personal item | Too big | Fits |
| Qantas | Carry-on | Too big | Fits |
| Qatar Airways | Carry-on | Too big | Fits |
| United Airlines | Carry-on | Too big | Fits |
| Vietjet Air | Carry-on | Too big | Fits |
| Volaris | Personal item | Too big | Fits |
| WestJet | Carry-on | 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.