Pearl iZUMi - Ride Men's Attack Bib Shorts 88% nylon, 12% spandex Imported Folded SELECT Transfer fabric at leg opening for soft stretch comfort with Silicone print for added grip Direct Vent mesh upper Model/Year 2015 SELECT Shorts fabric sets the benchmark for cycling comfort and durability Modified 8-panel anatomic design Flat lock seams Race 3D Chamois Reflective elements for low-light visibility 9" inseam [size medium]