Camping in the shadow of Half Dome is rendered sweeter when you've seen the viewfrom the top, and we've developed this performance pack to get you there. The Endura 50-Liter Backpack features our most advanced suite of technical innovation: Omni-Shield advanced repellency keeps the pack's contents dry, while an integrated rain fly engages during serious downpours, and it's thoughtfully designed to still allow access to water-bottle pockets. The all-newBackdraft Aerating Suspension utilizes lightweight frames with a tensioned backpanel to lift the pack's load slightly off your back, allowing fresh air to pass through. Plus, all contact points feature breathable mesh and side vents tofurther eliminate hotspots. The exceptionally comfortable, 19mm-thick Velocity L.O.A.D. straps are made from two layers of ultra-light Techlite foam a softer one on the inside for next-to-body comfort and a more rigid one on the outside for durability. The Techlite is molded around super-strong mesh inserts for unprecedented breathability and featherweight strength. The Endura's Silverback reflective lining provides a bright interior so you can see your gear better forgrabbing things on the fly. Two different entrees (front and top) make packing abreeze, while a buffet of aptly placed pockets hold everything from first aid kits to GPS units perfectly. Ample compression and stabilizing straps keep your load right where it should be.