Alpha One Niner travel bags
We track 9 Alpha One Niner travel bags. 7 fit the cabin-bag limit of at least 90% of the airlines we track. The lightest is the Axis Sling at 0.28kg0.6lb. Warranty: 5 years. Year one covers wear too; years two to five cover defects only. Warranty checked September 2026.
| Bag | Type | Volume | Weight | Dimensions | Carry-on fit | Price |
|---|---|---|---|---|---|---|
| Alpha One Niner Axis Sling | Sling | 1.5L | 0.28kg0.6lb | 15.5×32×6.5cm6×12.5×2.5in | 100% | $99 |
| Alpha One Niner Whitley Backpack | Backpack | 20L | 1.21kg2.7lb | 47×27.9×15.2cm18.5×11×6in | 100% | $219 |
| Alpha One Niner Penumbra Scout Backpack | Backpack | 16L | 1.3kg2.9lb | 45.7×27.9×14cm18×11×5.5in | 100% | $145 |
| Alpha One Niner Penumbra 2.0 Backpack | Backpack | 21L | 1.42kg3.1lb | 45.7×30.5×15.3cm18×12×6in | 100% | $175 |
| Alpha One Niner Evade 1.0 Backpack | Backpack | 21L | 1.53kg3.4lb | 47×30.5×14cm18.5×12×5.5in | 100% | $229 |
| Alpha One Niner Evade 1.5 Backpack, Gen 3 | Backpack | 25L | 1.7kg3.7lb | 47×30×18cm18.5×12×7in | 100% | $249 |
| Alpha One Niner Spare Camel 2.0 Backpack | Backpack | 30L | 1.77kg3.9lb | 52×32×19.5cm20.5×12.5×7.5in | 97% | $295 |
| Alpha One Niner Forma 1.0X Tote | Tote | 13L | 1kg2.2lb | 58.5×33×11.5cm23×13×4.5in | 8% | $299 |
| Alpha One Niner Weekender Duffel | Duffel | 36L | 1.31kg2.9lb | 27×57×24cm10.5×22.5×9.5in | 8% | $345 |
Ranked by the share of airlines they fit, then by weight. Specs come from Alpha One Niner's own product pages. How we score carry-on fit.