National Geographic CoolNet® Tubular Uwe Green: National Geographic CoolNet® UV Tubular. Multifunctional tubular perfect for outdoor activities during sunny days. It offers a high UV protection to enjoy life out in the sun while protecting you from harmful sun radiation. Light, breathable and comfortable, this tubular is an ideal companion for running, cycling and walking as well as for climbing, trekking or motorbiking. Official National Geographic design. 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. Design: National Geographic. One size.