Portwest FR Cooling Hard Hat Liner - IDHP183

Soak in cold water for 2–5 minutes to activate, providing up to 4 hours of cooling relief from heat stress; it features a Velcro closure, is reusable with simple hand washing and hang drying, and is made from Westex® DH fabric that meets NFPA 70E and ASTM F1506 standards.