This backpack is ready to hit the trails. It's ultra-durable, water-resistant, and is super easy to get your stuff in and out of. The padded, breathable back panel and UA LEVELED?straps make it super comfortable to carry. Ventilated Water Resistant UA Storm technology delivers an element-battling, highly water-repellent finish LEVELED? strap system guides you to assure straps are adjusted evenly for balanced weight distribution Padded, breathable air mesh back panel shoulder straps for ultimate comfort Rolltop design with internal magnet bungee strap closures Front zippered valuables pocket 2 side water bottle pockets Adjustable front bungee for easily stashing a jacket, pair of shoes or ball Main body fabric contains at least 90% recycled polyester, excluding trims embellishments Uses a fluorine-free water repellent treatment One Size Fits All Style #: 1376462 Sternum clip for a more secure fit top grab handle Dimensions When Full: 11.4"W x 5.5"H x 19.7"L (folded locked by the bungee) Volume: 20 L (folded locked by the bungee) Dimensions When Full: 11.4"W x 5.5"H x 24.8"L (flat closed by magnet) Volume: 27 L (flat closed by magnet) 95% Polyester/4% Nylon/1% Elastane Imported