The Osprey Atmos 65 AG pack will make you feel like your defying gravity. With multiple points to evenly distribute the weight of your pack, you won't believe you're actually carrying how much you're carrying. Enhanced mobility and the option to remove parts makes this pack work for each individual adventure. LightWire™ peripheral frame, structural load lifter bars and hipbelt transfer load Anti-Gravity ventilated mesh back panel contours automatically to the body Removable floating lid contains 2 zippered pockets for quick-access essentials Integrated FlapJacket™ protects contents from foul weather and rain during lidless use Dual stretch-mesh side pockets, zippered hipbelt pockets, and large front stash pocket Back bottom contains zippered sleeping bag compartment Removable sleeping pad straps on the bottom of the pack 2 front panel zip pockets, ice tool loops,and trekking pole attachment Hydration sleeve and ports Water reservoir not included Imported Best Use:   Backpacking Frame Type:   Internal Frame Adjustable Torso:   Yes Material: 11 denier x 630 denier nylkon dobby / 420 nylon packcloth Frame Material:   LightWire Number of Stays:   1 Peripheral hoop Suspended Mesh Back Panel:   Yes Number of Exterior Pockets:   9 and main compartment Gender:   Men's * Capacity / Weight / Fit * Capacity: (S) 62 Liters / (M) 65 Liters / (L) 68 Liters Weight: (S) 4lbs 3oz / (M) 4lbs 6oz / (L) 4lbs 8oz Torso Fit: (S) 16-19 in / (M) 18-21 in / (L) 20-23 in Waist / Hip Fit: (S) 24-45 in / (M) 24-45 in / (L) 29-55 in