28 mm Flip Cap

This replacement cap features an easy to drink from silicone nozzle which auto-seals after each sip and includes a flip cap cover to keep away outside elements. Fits all current HydraPak products with a 28 mm opening including the Stow 500 ml and 1 L bottles, and SoftFlask 150 ml.

Note that caps only fit on the 28 mm threads of 2020 models or newer.