The Chill-Its 6717 Cooling Hard Hat Pad with Neck Shade straps into hard hats to deliver four hours of cooling relief while also shading the neck from sun damage. The low-profile and lightweight liner pad with shade features cooling acrylic polymers 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 and loop straps. Heat-related illness continuously ranks among the top causes of worksite accidents and fatalities. Evaporative cooling technologies such as polymer crystals are a simple, effective and comfortable solution for heat stress prevention. Safety Headgear Accessory Type: Cooling Pad; Neck Shade; Material(s): Cotton; Polymers; Color(s): Blue; Color Family: Blue.