Pearl Izumi Men's Pro Intercool Short ? P.R.O. Transfer fabric with In-R-Cool®? technology provides optimal cooling and sun protection by reflecting UV rays ? Anatomic multi-panel design ? Silicone leg gripper with welded construction ? Anatomic P.R.O. Seamless 4D Chamois® ? Reflective elements for low-light visibility ? 9 ¼? inseam [size medium] New for 2011, Pearl Izumi improved upon 2010’s near perfection with the P.R.O. In-R-Cool cycling shorts. Leaving the P.R.O. Seamless 4D Chamois and cut essentially untouched, Pearl Izumi upgraded the material to In-R-Cool fabric. Built to reflect sunlight, these shorts are capable of reducing the surface temperature by up to 35ºF. P.R.O. Transfer fabric with In-R-Cool technology provides optimal cooling and sun protection