The Cooling Helmet Liner provides instant, long-lasting cooling under any helmet or hard hat. Simply wet, wring, and snap to activate chemical-free cooling that lasts up to 2 hours and cools up to 30° below body temperature.

Lightweight, breathable, UPF 50-rated, odor-resistant, and machine washable, it’s built for comfort and performance on the field, on the job, or anywhere you push your limits.