Hydro Flask Standard Mouth Insulated Sport Cap

Hydro Flask Standard Mouth Insulated Sport Cap
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Details

Sip. Refresh. Go.

From mountain trails to morning yoga class, this 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
  • Lifetime Warranty