<ul><li>Compatible with all Standard Mouth bottles</li><li>Honeycomb Insulation helps keep cold drinks cold and hot drinks hot</li><li>Durable, stainless steel pivots allow the strap to move easily</li><li>Leakproof</li><li>Sport Cap is not intended for use with hot liquids and is not leakproof</li><li>BPA-Free & Toxin-Free Free from toxins, free from worry.</li><li>Top rack dishwasher safe</li></ul><br><br>From mountain trails to morning yoga class, the Standard Mouth Insulated Sport Cap lets you hydrate one-handed and on the fly. Its the first insulated sport cap specifically designed to keep water in your Hydro Flask bottle ice cold, sip after sip.

Standard Mouth Sport Cap Black