Sweat with confidence with the 2.0 patented tri-layer ventilation technology, EvapoCOOL! This headband consists of three layers of ventilation fabric to wick sweat away from your head, allow for quick drying with ultimate breathability, and keep sweat out of your eyes for over an hour. EvapoCOOL helps keep you cool, dry, and protected—even in intense heat.FeaturesPatented, scientifically designed, moisture-activated cooling center layer works with joint action of heat, moisture, and airAfter high-intensity exercise, hot weather, or daily sweat-inducing activities, the introduced moisture is absorbed and quickly produces a cooling effectCan reduce skin surface temperature by 30%, lower core body temperature, and keep sweat out of your eyes for over one hourOpen ties allow a custom fit for any head shape or hairstyleComfortable to use for daily activities or errandsIdeal for yoga, running, CrossFit, pickleball, tennis, volleyball, soccer, basketball, golf, or wherever you break a sweat!Made of 100% polyester outer layers and 55% nylon / 45% polyester cold yarn inner layerMeasures 3" wide from the front of the head to the backCare InstructionsThe durable proprietary blend of fabric is machine washable in cold waterUse a gentle cycle and tumble dry low