Pearl Izumi Women's Elite Inrcool Limited Tri Single 80% Polyester/20% Elastane/UPF 50+ Imported ELITE Transfer In-R-Cool fabric powered by coldblack provides superior cooling and reflective sun protection ELITE Transfer Aero fabric is strategically placed for superior aerodynamics Overlock stitch construction for superior next-to-skin com.. A clothing system that works to help you maintain the perfect temperature for the weather conditions and activity range day in and day out