DESIGN & DETAILS: Wide 4 in. range of tightness or looseness on backpanel accounts for unique torso heights, catering to those who often have to adjust to extremes, and made with a women's specific fit Transfers weight to hips, a stronger part of the body, removing strain hanging from straps, allowing healthier shoulders that bear less effort, and a pack that's carriable with ease and stability Ventilates to let air into space between back and backpack using breathable mesh against body, tensioned to keep fabric of bag a small gap away Lightweight while offering tough materials Covers backpack when rain comes using integrated raincover, removable for sunny use, stowable in pocket Compression straps along sides for keeping stuffed bag contained to zippable region Bottom pocket with removable divider for organizing items into sections Easy-access small-gear top pocket Features rescue whistle attached to sternum strap 2 zippered side pockets Mattress pad straps at bottom Interior hydration sleeve for water packs 2 mesh side pockets Cord loop attachment points Warranty Information: Backed by Osprey's All Mighty Guarantee that repairs any product for any reason from any era