DESCRIPTION For backpacking, thru-hikes and alpine expeditions, the Ariel AG™ Series has a pedigree like no other pack. The bar has been set for technical backpacking packs by combining Anti-Gravity™ technology with customizable fit and innovative features like our new convertible top lid to create a more capable and comfortable pack for long-haul load carrying on any multi-day excursion. When you need a pack that can carry heavy loads for up to a week, there is no better option than the Ariel AG™ 55 pack. DETAILS Lightweight suspended-mesh panel extends from the upper torso through the lumbar area Hipbelt and harness provide outstanding fit and comfort for heavy loads and long miles Top lid converts into a lumbar pack Large J-zip access to the main compartment on the front panel Dual upper side compression straps; lower inside-out compression straps Dual front compression straps; dual-access stretch-mesh side pockets Zippered hipbelt pockets; large stretch-mesh pocket on the front panel Stow-on-the-Go trekking pole attachment; dual ice-tool loops with bungee tie-offs Removable sleeping pad straps; zippered sleeping bag compartment with removable divider Hydration sleeve holds an Osprey Hydraulics 2-liter reservoir Water reservoir not included Imported SPECS Best Use:   Backpacking Frame:   Internal Frame Material:   Nylon Frame Material:   Metal alloy Number of Stays:   1 Suspended Mesh Back Panel:   Yes Pack Access:   Top / Bottom / Panel Number of Exterior Pockets:  7 and main compartment Gender:   Women's * Capacity / Weight / Fit * Capacity:  (S) 52 liters Weight:  (S) 4 lbs 14 oz Torso Fit:  (S) 16-19 in Waist / Hip Fit:  (S) 27-31 in