The Fox Racing Utility 18-Litre Hydration Pack is a motocross backpack with handy storage as well as a hydration pack. It is made from ultra-durable 600D polyester with many handy features for motocross riding, such as a 2-litre HydraPak reservoir, fleece-lined pockets, a key clip, reflective trim for added visibility, magnetic hose retention, removable waist strap and a secure helmet loop for when not in use. The storage capacity is 18 litres with a water capacity of 2 litres.