Gregory Retna 28 vs Patagonia Terravia Pack 28L
The Gregory Retna 28 is 28L and 0.73kg1.6lb; the Patagonia Terravia Pack 28L is 28L and 0.73kg1.6lb. They weigh the same. The Gregory Retna 28 fits the carry-on limit of 14 of 36 major airlines and the Patagonia Terravia Pack 28L fits 1; under the seat, 0 and 0 of 26.
| Spec | Gregory Retna 28 | Patagonia Terravia Pack 28L |
|---|---|---|
| Price | n/a | $179 |
| Volume | 28L | 28L |
| Weight | 0.73kg1.6lb | 0.73kg1.6lb |
| Carry-on compliance | 39%Best | 3% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 52×30×24cm20.5×12×9.5in | 63.5×27.9×20.3cm25×11×8in |
| Laptop | 15" | no laptop sleeve |
| Bottle pockets | 1 | 2 |
| Opening | Panel access, panel loading main compartment with interior document sleeve | n/a |
| Warranty | 50 years | Lifetime |
| Sizes | n/a | S, M, L |
| Organizer | Yes | No |
| Shoe compartment | No | No |
| Hydration sleeve | No | Yes |
| Frame sheet | No | No |
| Water-resistant | No | No |
| Rain cover | No | Yes |
| MOLLE | No | No |
| Hip belt | No | Yes |
| Sternum strap | Removable | No |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | No | No |
| Camera compartment | No | No |
| Bike-ready | No | No |
| Material | 100% recycled 300D polyester ripstop with PFAS-free C0 DWR, 135D recycled polyester lining | 2.4-oz 70-denier 100% recycled nylon ripstop with PU coating, 200-denier recycled polyester lining |
| Last checked | 2026-10 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Gregory Retna 28 | Patagonia Terravia Pack 28L |
|---|---|---|---|
| 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.