UPDATED TERRA. Leaving the Terra 55's key features in place, we've dialed in the straps for maximum comfort and breathability, upgraded the back panel foam and improved the internal organization to help make your next backpacking trip a little easier. COMFORTABLE CARRY. The new Terra 55 is easy to use and provides what you need when you're hiking, with a back panel, shoulder straps and hipbelt all strategically patterned to be both comfortable and breathable. TOTAL ORGANIZATION. A large zippered top panel, external stuff-it pocket and 3 secure zip pockets store gear you'll need on prolonged outings. 2 stretch mesh water bottle pockets and an internal water bladder pocket work to maintain your hydration. QUALITY CONSTRUCTION. Designed to carry your trekking pole and ice-axe, this advanced technical pack has a sternum strap, side compression and bottom compression webbing straps to either cinch down the pack or hold larger items, like your sleeping pad. TECH SPECS. Dimensions: S/M 28.74" x 11.02" x 11.02" | L/XL 29.53" x 11.02" x 11.02"; Avg Weight: S/M 4 lbs | L/XL - 4 lbs 1 oz; Volume: S/M 53L | L/XL 57L. This item is not intended for use by children 12 and under.