When every ounce matters but you still need a backpack that’s more than just a sack with shoulder straps, the Exos makes for an excellent ultralight companion. The Exos 58, made of 100% recycled materials, is perfect for those more committing trips when resupply is few and far between. Highly experienced backpackers will appreciate industry-leading comfort and ventilationwithout the weight it often addsmaking it the perfect pack for committing thru-hikes and ultralights like the AT or Colorado Trail. Need to slim things down even further? Remove the floating lid and use the integrated FlapJacket to protect your gear inside. Plus, our refined AirSpeed suspension keeps you cool with maximum airflow between you and your pack, so each mile stays as comfortable as the last.FeaturesTop pocket web loop attachment pointsRemovable floating lid with top- and under-lid zippered pocketsIntegrated FlapJacket cover for lidless useInternal hydration sleeve with center back hose portFront stretch mesh pocket for stashing gearDual-access stretch mesh side pocketsDual strippable side compression strapsWeb lash points for attaching overloadsRemovable sleeping pad strapsDual ice axe loops with bungee tie-offDual zippered hipbelt pockets to keep essentials handyStow-on-the-Go trekking pole attachmentSternum strap with integrated safety whistle