Ultra Performance Running 15L Hydration Pack. Material: Nylon. Fabric: Ripstop. Height: 400mm. Width: 230mm. Denier: 600D. Features include a comfortable, cushioned mouth grip, ergonomic mouth piece, leak-free design, and a readable capacity scale on the bladder with a safety valve. The pack has a compact design with contrast detail and text. Fabric technology: Moisture Wicking. Fastening: Zip. It offers an adjustable shoulder strap, adjustable waist belt, air mesh back, air vent, headphone outlet, leakproof construction, and reflective detail. Compartments: 1 Main Compartment. Pockets: Inside Pocket, Valuables, 1 Mobile Phone Pocket. Suitable for runners, walkers, and cyclists. Conforms to CE European Standard EN71 Part 1, 2 and 3. Durable and PVC Free. One Size fits all.