Boundary Supply Prima System vs Shimoda Action X30 v2
The Boundary Supply Prima System is 30L and 1.9kg4.2lb; the Shimoda Action X30 v2 is 30L and 1.9kg4.2lb. They weigh the same. The Boundary Supply Prima System costs $20.94999999999999 less. The Boundary Supply Prima System fits the carry-on limit of 35 of 36 major airlines and the Shimoda Action X30 v2 fits 35; under the seat, 0 and 0 of 26.
| Spec | Boundary Supply Prima System | Shimoda Action X30 v2 |
|---|---|---|
| Price | $279Best | $299.95 |
| Volume | 30L | 30L |
| Expands to | 38L | n/a |
| Weight | 1.9kg4.2lb | 1.9kg4.2lb |
| Carry-on compliance | 97% | 97% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 53×30×18cm21×12×7in | 51×30×17cm20×12×6.5in |
| Laptop | 16" | 16" |
| Bottle pockets | 1 | 2 |
| Compression straps | 0 | n/a |
| Opening | Clamshell | Roll-top, roll top + side access |
| Warranty | Lifetime | 5 years |
| Fit | n/a | Unisex |
| Organizer | Yes | No |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | Yes | No |
| Rain cover | No | Yes |
| MOLLE | No | No |
| Hip belt | No | Removable |
| Sternum strap | No | No |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | Yes | Yes |
| Camera compartment | Insert sold separately | Insert sold separately |
| Material | n/a | Nylon, Carbonate PU-coated |
| Last checked | 2026-09 | 2026-09 |
Where their airline fit differs
Both bags pass and fail the same airline size limits.
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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.