100% Polyester. Fabric: Ripstop. Denier: 600D. Fabric Technology: Brite Lite Torch Technology, Durable, Hardwearing. Design: Logo. Fastening: Two Way Zip. Adjustable Shoulder Strap, Adjustable Sliding Chest Harness, Adjustable Waist Belt, Air Mesh Back, Attachment Loop, Detachable Rain Cover, Grab Handle, Padded Hip Belt, Reflective Detail, Tube Retainer, Vented Shoulder Straps. Compartments: 1 Main Compartment. Pockets: 1 Hidden Pocket, Zip, 2 Mesh Pockets, Internal Organiser Pocket, 1 Front Pocket, Hydration Storage, Raised Laptop Pocket. Capacity: 30L. Ref: UTRG7636