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 insulated sport cap specifically designed to keep water in your Hydro Flask bottle ice cold, sip after sip.
Compatible with all Standard Mouth bottles
Insulated for enhanced temperature protection
Quiet, "no whistle" valve
BPA-Free and Phthalate-Free
The approximate size of the packed product or the sales package is 150 x 150 x 50 mm.
Weight 0.52kg(Includes the weight of the sales package if present)