100% Polyester. Fabric: TPU Coating. Height: 21.1in. Width: 2.4in. Capacity: 20L. Depth: 15.4in. Pockets: 1 Front Pocket, Fleece Lined. Compartments: 1 Main Compartment. Fabric Technology: Durable, Fluorine Free, Insulating, UA Storm Technology, Water Repellent, Water Resistant. Internal Bottle Holder, Molle System, Sternum strap, String Cord. Design: Logo, Text. Fastening: Zip.