Standard Mouth Insulated Sport Cap
Sip. Refresh. Go.
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From mountain trails to morning yoga class, our 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. Product Benefits
- Compatible with all Standard Mouth bottles
- Insulated for enhanced temperature protection
- Quiet, "no whistle" valve
- Sport Cap is not intended for use with hot liquids and is not leakproof
- BPA-Free and Toxin-Free
- Lifetime Warranty
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