Pearl Izumi - Run Men's Pro in-R-Cool Tri Shorts 82% Polyester, 18% Elastane, Upf 50+ Imported 2015 Fall/Winter P.R.O. Transfer Aero with In-R-Cool fabric provides aerodynamic benefits and optimal cooling with reflective sun protection Streamlined single-layer engineered leg gripper; Stretch draw cord for superior comfort and fit One back streamlined easy access envelope pocket TRI quick-dry chamois; 9" inseam (size medium)