From mountain trails to morning yoga class, the Standard Mouth Insulated Sport Cap lets you hydrate one-handed and on the fly. It’s the first insulated sport cap specifically designed to keep water in your Hydro Flask bottle ice cold, sip after sip.
In a world where it is becoming less and less acceptable to use single-use water bottles, Hydroflask presents an answer. The high-quality water bottles will keep your drinks cool or hot for hours. Wave goodbye to single-use plastics with Hydroflask.