Hydro Flask Standard Mouth Sport Cap - Black - One Size
Hydro Flask Standard Mouth Sport Cap - Black - One Size, Introducing the first sport cap designed specifically for your Hydro Flask insulated container. With a secure twist-in attachment, a easy pop-up valve, and a superior flow rate, the sport cap simplifies staying hydrated while crushing trails. Enjoy one-handed refreshment, with the Hydro Flask standard mouth insulated sport cap.