The Under Armour Expandable Sackpack is a new take on a classic backpack shape for more room for your sports essentials. This bag comes with Storm technology that delivers a highly water-resistant finish to protect your gear, Zippered main opening for easy loading and Interior mesh pocket zips shut for secure organization. Breathable mesh shoulder straps with Zippered side gussets add volume when unzipped and added Webbing loops on front panel for added attachment points Dimensions: 14.2\" x 20.5\" x 3.9\". 27 L Colour: Black Material: Polyester Code: 1300203-001