CoolNet UV® Multifunctional Headband CoolNet UV® Multifunctional Headband. Wide and seamless headband to provide comfort under the helmet. Made using Coolmax fabrics which guarantee breathability and quick drying, it provides also UV protection against the sun radiation. Meet our newest recycled CoolNet UV+ fabric. 95% recycled polyester microfiber, its moisture management properties pull sweat away from your skin and into our evaporative cooling fabric design so you stay cool, light and comfortable. UPF 50+ fabrication prevents hazardous exposure to the sun while delivering 4-way ULTRA stretch weave and 100% seamless design for the perfect fit.