Pearl Izumi Men's Infinity Inrcool Short Sleeve Shirt Body: 100% polyester/ UPF 50+ Technology: Ice-fil Weight: 100 g/m2 Mesh: 92% polyester 8% elastane/ UPF 50+ Weight: 185 /m2 Imported Elite transfer fabric with in-r-cool technology provides skin cooling and moisture management Direct-vent panels provide superior ventilation Screen-print design on the back Reflective elements for low-light visibility A clothing system that works to help you maintain the perfect temperature for the weather conditions and activity range day in and day out Read the care content label on the inside of your garment for specific instructions; use simple detergents with no additives The Men's Infinity In-R-Cool Short Sleeve features our innovative In-R-Cool fabric technology that cools the body while you exercise The perfect balance of anatomic fit, performance engineered materials and the personal interface between athlete and gear See Product tag and www.pearlizumi.com for Warranty Information