Able Carry Max Backpack 32L vs Boundary Supply Prima System
The Able Carry Max Backpack 32L is 30L and 1.9kg4.2lb; the Boundary Supply Prima System is 30L and 1.9kg4.2lb. They weigh the same. The Boundary Supply Prima System costs $39 less. The Able Carry Max Backpack 32L fits the carry-on limit of 31 of 36 major airlines and the Boundary Supply Prima System fits 35; under the seat, 0 and 0 of 26.
| Spec | Able Carry Max Backpack 32L | Boundary Supply Prima System |
|---|---|---|
| Price | $318 | $279Best |
| Volume | 30L | 30L |
| Expands to | 32L | 38L |
| Weight | 1.9kg4.2lb | 1.9kg4.2lb |
| Carry-on compliance | 86% | 97%Best |
| Personal-item compliance | 0% | 0% |
| Dimensions | 52×32×22cm20.5×12.5×8.5in | 53×30×18cm21×12×7in |
| Laptop | 17"Best | 16" |
| Bottle pockets | n/a | 1 |
| Compression straps | 0 | 0 |
| Opening | n/a | Clamshell |
| Warranty | Lifetime | Lifetime |
| Organizer | No | Yes |
| 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 | Yes |
| Camera compartment | No | Insert sold separately |
| Material | X-Pac or Cordura 210D ripstop nylon | n/a |
| Last checked | 2026-09 | 2026-09 |
Where their airline fit differs
| Airline | Limit | Able Carry Max Backpack 32L | Boundary Supply Prima System |
|---|---|---|---|
| Air Arabia | Carry-on | Too big | Fits |
| Air India | Carry-on | Too big | Fits |
| Ryanair | Carry-on | Too big | Fits |
| Vueling | 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.