Cooling Helmet Liner Size:One Size this headband ensures you're refreshed

this headband ensures you're refreshed during all your activities

or outdoor workouts

it's the perfect addition to your daily routine

Backed by four years of research

Featuring a seamless construction

Cooling Helmet Liner Size:One Size this headband ensures you're refreshedThe Cooling Helmet Liner is designed to provide a cool and comfortable layer under your hard hat or helmet. Made from innovative fabric that cools up to 30 when activated by water or sweat, this liner ensures comfort in hot conditions. Lightweight and breathable, it is the perfect solution for staying cool while you achieve your best on the field, whether you're playing ball, working in construction, or on the job site. Cool More. Do More.