Pearl Izumi Men's Select Thermal Cycling Tight Spring/Summer 2014 Read the care content label on the inside of your garment for specific instructions; use simple detergents with no additives. Based on our ELITE-level tight pattern, we use a light thermal fleece fabric and built-in chamois in for a great cool weather tight. Gear designed and constructed to fit perfectly to the body in motion. The perfect balance of anatomic fit, performance engineered materials and the personal interface between athlete and gear. Our 4 core fabric technologies (Transfer, Barrier, Thermal and Softshell ) create a system that works to help you maintain the perfect temperature for the weather conditions and activity range day in and day out