Grams28 155 All-Day Duffle vs Monos Metro Weekender
The Grams28 155 All-Day Duffle is 21.9L and 2.5kg5.5lb; the Monos Metro Weekender is 35.5L and 2.35kg5.2lb. The Monos Metro Weekender is 0.15kg0.3lb lighter. The Monos Metro Weekender costs $494 less. The Grams28 155 All-Day Duffle fits the carry-on limit of 14 of 36 major airlines and the Monos Metro Weekender fits 1; under the seat, 0 and 0 of 26.
| Spec | Grams28 155 All-Day Duffle | Monos Metro Weekender |
|---|---|---|
| Price | $749 | $255Best |
| Volume | 21.9L | 35.5L |
| Weight | 2.5kg5.5lb | 2.35kg5.2lbBest |
| Carry-on compliance | 39%Best | 3% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 30×53×25cm12×21×10in | 36.8×48×25.7cm14.5×19×10in |
| Laptop | 16" | 16" |
| Compartments | 2 | n/a |
| Warranty | Lifetime | n/a |
| Organizer | Yes | Yes |
| Shoe compartment | No | Yes |
| 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 | Removable | Yes |
| Luggage pass-through | Yes | Yes |
| Camera compartment | No | No |
| Bike-ready | No | No |
| Material | Italian pebbled bovine leather from Gruppo Mastrotto, environment certified tanning | Nylon twill with ultra-microfibre vegan leather accents (also sold in all vegan leather), TPU-coated cotton twill lower compartment |
| Last checked | 2026-10 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Grams28 155 All-Day Duffle | Monos Metro Weekender |
|---|---|---|---|
| Air France | Carry-on | Fits | Too big |
| Allegiant Air | Carry-on | Fits | Too big |
| ANA (All Nippon Airways) | Carry-on | Fits | Too big |
| Avianca | Carry-on | Fits | Too big |
| British Airways | Carry-on | Fits | Too big |
| easyJet | Carry-on | Fits | Too big |
| Frontier Airlines | Carry-on | Fits | Too big |
| Gol Linhas Aereas | Carry-on | Fits | Too big |
| IndiGo | Carry-on | Fits | Too big |
| KLM | Carry-on | Fits | Too big |
| LATAM Airlines | Carry-on | Fits | Too big |
| Southwest Airlines | Carry-on | Fits | Too big |
| Volaris | Carry-on | Fits | Too big |
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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.