Hydro Flask Replacement Standard Mouth Sport Cap

Hydro Flask



  • From mountain trails to morning yoga class, the Hydro Flask 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

    Ships to Canada Only



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