Milwaukee 48-73-4544 BOLT Safety Helmet Cooling Liner

The BOLT Safety Helmet Cooling Liner is water-activated and uses microfiber technology to keep you cool on the jobsite. To activate it quickly, run it under water or submerge it for 30 seconds for full absorption. Wring out the excess water and repeat when dry. Once activated, the cooling liner wicks away moisture and heat for up to 4 hours of cooling time. Made to be compatible with Milwaukee Safety Helmets, the Helmet Cooling Liner provides long-lasting comfort with soft, comfortable padding and is part of the BOLT Accessory System, which lets users secure accessories simultaneously.