Updated holster design that provides easy, one-handed, on-the-fly access to hydration and nutrition with no bounce. New large expandable front zippered pocket designed to fit most large smartphones. A classic hydration waistbelt with a modern twist, the Trail Mix Plus 3. 0 features new materials and updated pockets to maximize storage. Includes updated holster design to provide a secure and one handed access to flasks plus no bounce technology to keep the belt and flasks in place while on the run.