FLY ON THE TRAIL WITH THE PATAGONIA NINE TRAILS BACKPACK 20L.When all you need is room for snacks, layers, and water, the Patagonia Nine Trails 20L is the perfect size.Quick stash pockets on the sides let you keep your water bottles handy while durable 4.2-oz CORDURA 100% nylon ripstop and DWR coated fabric protects you from the elements. Large exterior stretch pocket lets you keep your rain gear handy in case there is any unexpected weather. Mono-mesh back panel prevents moisture buildup while perforated foam on the waist and shoulders keep you comfortable. FEATURES The perfect balance of lightweight yet superdurable CORDURAA(R) nylon ripstop for years of abuse in the field U-shaped lid for easy access to main compartment A large exterior stretch pocket and two quick-stash pockets secure extra items; hipbelt pockets keep small items handy Side compression manages various loads Superbreathable mono-mesh back panel provides excellent airflow and prevents moisture buildup Padded shoulder harness with adjustable sternum strap and waistbelt for secure fit