The cooling neck gaiter is made of 100% polyester material. Enjoy staying active longer & doing what you love even when the temperature rises with the cooling & refreshing cooling Neck Gaiter. Protect you from dust, debris & wind.When activated with water it cools to 30 degrees below average body temperature in under 30 seconds! Activate quickly in 3 steps Wet it, Wring it out and Snap it. To reactivate, just re-wet and snap. It stays cool for up to 2 hours.Cooling Gaiter can be transformed into 12+ styles to protect from various outdoor elements. Wear as Neck Gaiter, Face Mask, Headband, Helmet Liner, Hood, Headwrap, Bandana, and more