IFR Cooling Hard Hat Liner & Neck Shad

When soaked in water, the polymer crystals expand, and turn into a crystalline gel.
The fabric absorbs water from the polymer, allowing the water to slowly evaporate
for a cooling effect. The fabric stays cool and moist for hours due to the polymer’s
water-retaining properties and the slow evaporation rate.

**Polymer crystals only in the hard hat liner 

   • 1K-3K Microns water-absorbing, non-toxic polymer crystals
   • Quick activation process. Soak in cold water for 2-5 mins
   • Provides cooling relief from heat stress for up to 4 hours
   • Velcro closure
   • Reusable. Hand wash only and hang to dry
   • Made with Westex® fabrics
   • Meets requirements of: NFPA 70E, ASTM F1506