Hydration Pack Fox Utility Medium Go-to storage solution for hydration and ride essentials. The Utility Hydration Pack - Medium is your go-to solution for hydration and essential storage on intermediate-length rides or any time you need additional room for tools and food. With its two-liter HydraPak reservoir, it’s easy to keep the fluids coming as you hit the trail with your crew, while its ten-liter capacity means storage for all your moto ride essentials is a cinch, too. Its fleece-lined pockets keep your valuables safe and secure, while the magnetic hose retention ensures it won’t get in your way as you go. Made from durable 600D polyester, the medium-sized Utility Hydration Pack is designed to keep you moving comfortably on those medium-distance dirt bike sessions. 2 liter HydraPak reservoir. Fleece-lined pocket for valuables. 10 liter storage capacity. Magnetic hose retention. Key clip. 600D polyester.