Size Chart
| Pack | Size Range | Torso | Waist |
| Ascensionist 30L | S/M | 16" - 19" | 28" - 36" |
| L/XL | 19" - 22" | 32" - 42" | |
| Ascensionist 40L | S/M | 16" - 19" | 28" - 36" |
| L/XL | 19" - 22" | 32" - 42" | |
| Descensionist 32L | S/M | 16" - 19" | 28" - 36" |
| L/XL | 19" - 22" | 32" - 42" | |
| Descensionist 40L | S/M | 16" - 19" | 28" - 36" |
| L/XL | 19" - 22" | 32" - 42" | |
| Nine Trails 14L | S/M | 16" - 19" | 28" - 36" |
| L/XL | 19" - 22" | 32" - 42" | |
| W's Nine Trails 18L | S/M | 15" - 18" | 26" - 34" |
| L/XL | 18" - 21" | 30" - 38" | |
| Nine Trails 20L | S/M | 16" - 19" | 28" - 36" |
| L/XL | 19" - 22" | 32" - 42" | |
| W's Nine Trails 26L | S/M | 15" - 18" | 26" - 34" |
| L/XL | 18" - 21" | 30" - 38" | |
| Nine Trails 28L | S/M | 16" - 19" | 28" - 36" |
| L/XL | 19" - 22" | 32" - 42" | |
| Nine Trails 36L | S/M | 16" - 19" | 28" - 36" |
| L/XL | 19" - 22" | 32" - 42" |