Hydraform™ Ergo Minimalist. The handheld's ergonomic configuration allows your hand to relax to a natural position - eliminating hand cramping and tension. The quick-adjust strap allows for a custom fit. Comes with a custom-molded, BPA-free, 16oz. Hydraform Bottle. • Ergonomic configuration allows hand to relax in a natural position, eliminating hand cramping and tension • Grasp-free Thumb-lock™ strap design offers effortless hydration and premium cushioned comfort • 40% lower profile for comfort • 2 quick-access gel slots for easy access to nutrition on-the-go • Stretch-free and durable bottle harness • Adjustable custom fit with no-slip quick hand release • Includes exclusive 16oz. Hydraform™ bottle • Jett-Squeeze™ cap for leak-free quick shot hydration • All Amphipod bottles are recycling symbol #4 LDPE and are BPA-free