



Image not available$150
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The Six Moon Designs Flight 30 Ultra Running Backpack is a 31 L, 1.9 lb pack that fits common carry-on limits.






Image not availableComputed from the specs below. How we write summaries.
Last verified Oct 20, 2026
Unless marked otherwise, specs are from the manufacturer’s product page (sixmoondesigns.com).
| Capacity | 31 L (1,890 cu in) |
|---|---|
| Weight (manufacturer) | 1.94 lb (878 g) |
| External dimensions | 43 × 28 × 18 cm (16.9 × 11.0 × 7.1 in) |
| Carry-on size | Fits common carry-on limits |
| Water resistance | Water-resistant |
|---|---|
| Main fabric | 100D Nylon Robic or EPX200 |
| Denier | 100D |
| Opening | Top-load |
|---|---|
| Quick-access pocket | Yes |
| External pockets | Side, Bottom, Front, Shoulder strap |
| Bottle pockets | 2 |
| Hydration sleeve | Yes |
| Frame | None |
|---|---|
| Hipbelt | Removable |
| Sternum strap | Yes |
| Torso sizes | 16-22 in (adjustable) |
| Built for | Hiking, Backpacking |
|---|---|
| Colors | Robic Gray & Green, Robic Gray, Robic Green, EPX 200 Black, EPX200 Blue, EPX200 Coyote Brown |




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