Klymit Stash 18 Lightweight Backpack-Yellow The Klymit Stash 18 Is a Rugged daypack Designed To Go Everywhere. It Will Comfortably Haul Your Gear Or Essentials To The Summit, Your Favorite Swimming Hole, Office, Gym, Beach Or Ball Game. Boasting The acclaimed Comfort Of The Klymit Air Frame, This Pack Will Conform To The Body For a Full Range Of Motion. The Air Frame inflates quickly For customizable Stiffness Via The Integrated Hand Pump located On The Shoulder Strap. The Stash 18 Is An 18L Pack Made Out Of Durable 210D Nylon. A Drawstring Closure Allows For Access To The Spacious Interior And The External Pocket makes Getting To Your Gear Quick And Easy. The Adjustable Sternum Strap And Shoulder straps Allow a One-Size-Fits-All Customization. The Pack Is Hydration Compatible (Bladder Sold separately). Durable Mesh In The Back Panel Area Allows For breathability During Aerobic Activities. Features: - Air Frame Technology For customizable Carry And Comfort - Removable Air Frame Doubles as Sit Pad - Features Sternum Strap And Easy Pump Access For On The Fly adjustments - Hydration Compatible Ideal For Day hiking, biking, And Around Town Specifications: - Weight/Mass: 12.38 Oz / 351 G - Volume: 18 L - Load Rating: 20 Lbs / 9 Kg - Fabric: 210D Nylon - Features: Sternum Strap, Hydration Compatible, And Removable Air Frame Manufacturer: Klymit Manufacturer Number: 12STYl01C Upc: 846647003048