Recycled CoolNet fabric: 95% recycled polyester microfiber featuring ultimate moisture management properties, cooling effect, UV UPF 50 protection and ultralight weight. UltraStretch technology: highly stretchable product designed for top comfort and performance. Made using recycled materials. Do more Now and help creating a better world to enjoy. UPF 50 certified sun protection against ultraviolet (UV) radiation produced by the sun. Samples of fabrics tested for UV protection in accordance with the international standards. 95% Polyester, 5% Elastane