Standard Mouth Insulated Sport Cap

Sip. Refresh. Go.

From mountain trails to morning yoga class, our Standard Mouth Insulated Sport Cap lets you hydrate one-handed and on the fly. It’s the first Standard Mouth Insulated Sport Cap specifically designed to keep water in your Hydro Flask bottle ice cold, sip after sip.

Product Benefits

Compatible with all Standard Mouth bottles
Insulated for enhanced temperature protection
Quiet, “no whistle” valve
BPA-Free and Phthalate-Free
Lifetime Warranty