The BOLT Safety Helmet Cooling Liner is designed to be activated by water and features microfiber technology to keep you cool on the jobsite. This liner can be quickly activated by running or submerging it under water for 30 seconds for full absorption. 

• Up to 4 hours of Cooling Time
• Quick, 30 second absorption
• Soft, Comfortable Padding
• Compatible with MILWAUKEE® Safety Helmets
• Attaches to Suspension with Hook and Loop
• Soak in water to activate.
• Wring out any excess water.
• Repeat when dry.
• Machine Washable