HYDROFLASK

STANDARD MOUTH SPORTS CAP

$16.95

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.

Please note: This lid is not leak proof.

Product Benefits

  • Compatible with all Standard Mouth bottles
  • Insulated for enhanced temperature protection
  • Quiet, "no whistle" valve
  • BPA-Free and Phthalate-Free