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
- Sport Cap is not intended for use with hot liquids and is not leakproof
- Lifetime Warranty
Free shipping Canada-wide on orders over $100*
Returns & Refunds
Worry-free shopping with returns on products within 14 days. Terms & conditions apply.
Based In The Mountains
Operating out of the Canadian Rockies for 25+ years, with physical stores in Banff and Canmore, Alberta.