Stay productive and beat the heat on warm jobsites with the Milwaukee 4932498077 cooling skull cap. Simply submerge the cap in water for 30 seconds and wring out the excess to activate up to 4 hours of continuous cooling relief. Made with flexible 4-way stretch fabric in a universal one size fit, it sits comfortably on your head and slides easily under standard hard hats and safety helmets. This helps reduce heat stress and sweat during demanding outdoor tasks like roofing, road construction, or landscaping. Certified upf 50+ according to en 13758-1, the fabric also shields your scalp from harmful uv rays. When cooling fades, just re-wet the cap to recharge the effect.