Sure to be the best in hydration on the market, this handheld is ergonomically shaped to fit any runner’s hand and so easy to squeeze. It’s rigid where it needs to be and compresses easily for quick hydration. It also has a flat bottom to provide a solid surface for filling. This incredible flask is designed to be grip-free and lightweight and features double-wall construction to keep fluids cooler, longer. Ergonomic flask designed to be easier to squeeze Fully-adjustable hand strap with chafe-free thumb hold enables grip-free running Sweat-channeled, no-slip grip insert for an easier carry Updated high flow Push-Pull Blast Valve™ cap has a quicker rebound to keep you hydrated on the go 360 degrees of reflectivity Double-wall construction keeps fluids cooler longer than a non-insulated bottle 94% Polyester, 6% Spandex
