Sure, sackpacks are easy, but we amped up the performance with an insulated water bottle sleeve and UA Storm so rain rolls right off. UA Storm technology delivers an element-battling, highly water-repellent finish Tough, TPU-coated bottom panel extends up the front for added durability Full-length, front insulated zippered pocket doubles as a water bottle sleeve or valuables pocket Fleece-lined front valuables pocket Adjustable cording straps can easily be tied for a custom length & fit Molle webbing on front panel for additional attachment points Custom UA sternum clip Uses a fluorine-free water repellent treatment Style #: 1369220 Dimensions When Full: 2.4"W x 21.1"H x 15.4"L Volume: 20L 100% Polyester Imported Fit Type: One Size Fits Most Season Code: FW23