The North Face Spire 40 Summit Series Pack Backpack Travel Hiking Camping Midsize alpine pack features a comfortable harness, ample space for hauling gear. Molded E-VAP™ foam padding on the shoulder straps, hipbelt and back panel Hipbelt can be tucked away when not in use or completely removed to cut weight Removable, custom-extruded aluminum stay is lightweight and offers dependable support Reinforced, 3-point haul loops and elasticized ice axe lash points reliably secure tools. Zippered front stash pocket holds essentials that you need to access quickly Internal floating hydration sleeve holds a reservoir (sold separately) for hands-free drinking on the go Sliding sternum strap adjusts vertically for comfort; buckle doubles as a safety whistle Dual side compression straps let you cinch down loads for jostle-free carrying The North Face Spire 40 pack is made of light yet burly auto airbag fabric and ripstop nylon.