Material: Polyester. Denier: 600D. Fabric Technology: DWR Finish, Water Repellent. Design: Logo. Fastening: Buckle, Zip. Adjustable Hip Straps, Air Mesh Back, Detachable Rain Cover, Internal Hydration Storage, Load Adjustment Straps, Mesh Panel for Ventilation, Metal Frame Support, Padded Adjustable Shoulder Straps, Padded Hip Belt, Reflective Detail, Streamair Ventilation System, Tube Retainer. Compartments: 1 Main Compartment, 2 Bottle Holders. Pockets: 1 Front Pocket, Zip. Capacity: 45L. Ref: UTRG10045