Hydro Flask Insulated Standard Mouth Sport Cap
(as of Mar 18,2022 10:36:00 UTC – Details)
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.
Unique internal valve eliminates whistling sounds; lid not leakproo
BPA-free and phthalate-free; 18/8 food-grade stainless steel
Fits all Standard Mouth Hydro Flask bottles only; Does not fit Wide Mouth Hydro Flask bottles