Superfeet | Blue | All Purpose | Medium Arch Size:C This BPA-free hydration bladder features

This BPA-free hydration bladder features a sleek hourglass shape and internal baffle to reduce sloshing

Made from fast-drying

ensuring smooth hydration on every run

High flow bite valve allows for easy access to water and doesn't drip when not in use

Superfeet | Blue | All Purpose | Medium Arch Size:C This BPA-free hydration bladder featuresBIOMECHANICAL SHAPE HIGH DENSITY FOAM Closed cell foam supports and cushions the foot for long lasting comfort. ANTIMICROBIAL COATING All natural coating that inhibits the growth of odor causing bacteria. STABILIZER CAP The base of the insole that supports the rear foot and provides structure and stability to the foam layer. HEEL CUP Helps position the heel to naturally absorb impact.