<!--ProdInc[170091616]/Mall:[rei_US]--> 18 fl. oz. BPA-free soft flask with locking cap and bite-valve design keeps liquids from escaping while you run Support spine creates a superior hand feel and support for the flask as the water level decreases in the bottle Insulated design keeps fluids cooler 38% longer than non-insulated soft flasks Compatible with all Nathan hydration vests (not included)Imported.
<!--ProdInc[170091616]/Mall:[rei_US]--> 18 fl. oz. BPA-free soft flask with locking cap and bite-valve design keeps liquids from escaping while you run Support spine creates a superior hand feel and support for the flask as the water level decreases in the bottle Insulated design keeps fluids cooler 38% longer than non-insulated soft flasks Compatible with all Nathan hydration vests (not included)Imported.