More fun in the sun. With increased UPF coverage and better durability, these updated Sun Sleeves give you UPF 50 sun protection, even when stretched by 30%, delivering long-lasting sun protection so you can pedal at the brightest times of day. FEATURES: In–R–Cool® technology to provide optimal skin-cooling effect and moisture management when you perspire ELITE Transfer fabric with UPF 50+ sun protection and Ice-fil® Easy slip-on fit BioViz® reflective elements for low-light visibility 93% polyester, 7% LYCRA® elastane