In Stock
Part Number: 6521 UPC: 816230012580 Weight: 0.25



• (1) Hard Hat Liner


• Effective Releife from Heat Stress

• Provides 5-10 hours of Active Cooling Per Soak

• Hook and Loop for attachment to Hard Hat or Bump Cap harness

• No Bulging Gels or Harmful Chemical Crystals

HyperKewl Evaporative Cooling Hard Har Liners are a must have item for protective Hard Hats. The HyperKewl inner layer actively cools for 5-10 hours per soak to effectivly Avoid Heat Stress. Cool Mesh outter layer allows for optimum airflow in both Hard Hats and Bump Caps.

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