Part of the Milwaukee Cooling Solutions family, the ANSI/ISEA 105-2024 Cooling Cut Level 1 Protective Sleeves help you KEEP COOL in hot conditions. The Cooling Cut Level 1 Protective Sleeves can be quickly activated by submerging in water for 30 seconds to achieve complete absorption. Wring out any excess water prior to wear. Once activated by water, the Cooling Cut Level 1 Protective Sleeve provides you with up to 2 hours of cooling. For additional cooling time, wet, rinse, and repeat. The Milwaukee Cooling Cut Level 1 Protective Sleeves also provides UPF 50+ Sun Protection, blocking 98% of the sun’s UV rays. Our lightweight and breathable material makes our Cooling Cut Level 1 Protective Sleeves One Size Fits Most.