Pearl iZUMi Men&#39;s P.R.O. Octane Cycling Bib Short, Black/ White, Medium 78% Nylon/ 22% Elastane/ mesh: 86% polyamide/ 14% Elastane Imported Fall/Winter 2010 Pearl Izumi Mens Anatomic Bib Short construction follows the natural contours of the body for an unparalleled fit and unrestricted riding comfort P.R.O. Pearl Izumi Transfer fabric provides superior stretch and recovery with optimal compression and moisture Pearl Izumi Transfer Pearl Izumi 4th Generation Anatomic Mens P.R.O. 4D Chamois Integrated Compression gripper with silicon provides supple seamless comfort and a perfect fit