Design and Details AMP-Flow ventilated back panel to keep you cool FIT-PRO torso adjustment system Advanced perimeter frame and aluminum stay for load-transfer with larger loads Large front zippered pocket and trail stash pocket Sleeping bag compartment / zippered access Dual mesh side pockets Mesh hipbelt pocket(right side) Zippered hipbelt pocket (left side) Load lifters/ Floating lid Hydration compatible Environmental and health friendly C0 and PFC-free DWR fabrics