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Product Description

The Chill-Its 6717CT Evaporative Cooling Hard Hat Liner Pad with Neck Shade straps into hard hats to deliver up to four hours of cooling relief while also shading the neck from sun damage. The low-profile and lightweight pad with shade features advanced PVA cooling technology for instant cooling without bulk or slime, making it comfortable to wear under hard hats. The wide panel shade extends down for complete back-of-neck-coverage. This hard hat liner pad fits most hard hats and safety helmets, easily attaching to the suspension with two hook & loop straps.

Heat-related illness continuously ranks among the top causes of worksite accidents and fatalities. Evaporative cooling technologies such as PVA (polyvinyl alcohol) are a simple, effective and comfortable solution for heat stress prevention. Similar to how sweat cools the body, evaporative technologies use an external water source to draw heat away—helping to regulate body temperature while providing cool relief. When activated, this PVA cooling hard hat pad is comfortable and refreshing for even the hottest days of the year.

How To Activate

Run under water for one minute to activate instant cooling relief that lasts for up to four hours. The PVA will retain water without bulk or residue. Machine wash as needed and hang to dry. Note that PVA materials stiffen as they dry. Simply run under water to reactivate and soften.

Ideal for construction, telecommunications or anyone wearing head protection while working in the heat.


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  • Instant Cooling Relief - Hyper-evaporative PVA easily activates with water for up to four hours of cooling
  • Sun Protection – Shades neck for protection against harmful UV rays
  • Fits Most Hard Hats & Safety Helmets – Hook & loop straps securely attach to suspension
  • Low-profile – For no-bulk wear under hard hats
  • Long Neck Shade – For complete back-of-neck coverage
  • Comfortable – 100% Cotton
  • Reusable – Simply re-wet to reactivate cooling
  • Absorbent, hard hat compatible, lightweight, machine washable


  • Brand: Ergodyne
  • Product Type: Liner Pad and Neck Shade
  • Series Filters: Cooling Hard Hat Accessories
  • Closure: Hook and Loop
  • Color: Blue
  • Technology: PVA
  • Cooling Type: Wet Evaporative Cooling, Shade
  • Cooling Hour: Up to 4 Hours
  • Material: Cotton
  • Protection: UV/Sun Protection, Warm Temperature Protection
  • Construction: Detachable, Hard Hat Attachment Straps
  • Risk/Injury: Heat Stress, Sunburn
  • Dimensions: 9.75" L x 12.5" W / 24.7cm L x 31.7cm W



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