100% Polyester. Capacity: 25L. Pockets: 1 Internal Pocket, 2 External Pockets. Compartments: 1 Main Compartment, Zipped. Bungee Cords, Daisy Chain Webbing, Grab Handle, Internal Key Clip, Padded Adjustable Shoulder Straps, Padded Mesh Back, Sternum strap, Tube Retainer, Zip Pullers. Fabric Technology: Durable Water Repellent Finish, Moisture Wicking. Design: Logo, Reflective. Made from Recycled Materials. Ref: UTRG11752