100% Polyester. Length: 14in. Height: 8.5in. Width: 4.1in. Capacity: 5L. Pockets: 1 Front Pocket, Zip. Compartments: 1 Main Compartment, Zipped. Adjustable, Breathable Mesh Panel, Bungee Cords, Organiser Section, Webbing Straps. Design: Logo, Plain. Fastening: Quick Release Clip. Fabric Technology: UA Storm Technology, Water Resistant.