Hiking or biking, the CamelBak M.U.L.E 5 Waist Pack with Crux 1.5L Lumbar Reservoir is for you. Its versatility lets you exchange a reservoir for two water bottles, while the compact build of this hydration waist pack makes carrying the essentials a breeze. Made with recycled materials and safer chemicals to help preserve resources and get rid of disposables. The M.U.L.E® 5 waist pack's bungee on top is great to stuff an extra layer to hold it secure and close while its organization helps you put everything in its proper, accessible place. Hip belt pockets let you keep chapstick and a snack bar available for easy access, while the reflectivity points ensure that you are visible and safe. The Crux® reservoir helps to carry the extra water you need to stay hydrated.