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 28mm opening including the Stow 500ml and 1L bottles, SoftFlasks 150ml and 250ml.
*Note that caps only fit on the 28mm threads of 2020 models or newer. Please review ourFAQ page on how to identify which version you have.
Made for drinking during activity with an easy open cap cover and self-sealing silicone nozzle