Featuring an innovative patent-pending retractable design, the Hydraform Soft-Tech Insulluxe™ keeps your reservoir-flask secure while providing "always-full" functionality as you hydrate.

·Premium engineered design allows the flask to be retracted by pulling the sleeve cord as you drink

·Duel stabilizing finger loops and hand strap with quick-access gel slots optimize comfort and stability

·Shrink-as-you-drink design and high-flow bite-valve maximize performance

·Thermal sleeve cushions hand while keeping fluids cool

·Reversible flask for easy cleaning and drying, top-rack dishwasher safe, and BPA/PVC free