Great support and a comfortable fit make the Pearl Izumi Attack Bib Bike Shorts perfect for any level cyclist. Select Transfer Dry fabric sets the benchmark for moisture transfer. Direct Vent panels allow for excellent airflow. Race 3D Chamois provides excellent moisture transfer, dry time, and odor resistance. Variable density padding 13mm, 3 layers and pre shaped, 3D anatomic design ensure comfort. Breathable 4 way stretch technology adjusts to your body and efficiently moves moisture away. Pressure Relief Technology PRT optimizes riding comfort, blood flow, and athletic performance. Eight panel anatomic design provides complete comfort Flatlock seams reduce the risk of chafing. Silicone leg grippers keep the shorts in place. UPF50 protection keeps you safe from harmful UV rays. Reflective elements offer enhanced visibility in lowlight conditions. Form fit 9 in. inseam size medium. Body is 88% Nylon, 12 % Spandex Mesh is 80% Polyester, 20% Elastane Leg inserts are 82% Polyester, 18% Elastane. Imported.