Cooling Helmet Liner cools up to 2 hours when wet. Once activated cools up to 30 degrees below body temperature. Mesh fabric at crown increases airflow. One size fits most. Machine washable.

• Cools instantly when activated, up to 30 degrees below body temperature.
• Wicks away sweat from the head for up to 2 hours when wet.
• Activate / Reactivate: soak with water, wring out excess water, snap 3-5 times to activate.
• Mesh fabric at crown expands airflow for maximum breathability.
• Front fabric is 92% Polyester, 8% Spandex.
• Back fabric is 100% Polyester.
• Machine washable and reusable.