Sugoi Men's RSX Short Body 86% Nylon 14% Spandex / Gusset 100% Nylon / Mesh Contrast 100% Polyester / Liner see 36319U.LNR Imported Bonded mesh paneling for enhanced airflow and breathability Lightweight stretch woven outer shell provides ergonomic comfort during dynamic pedaling movement Icefil inner liner for cool comfort during warm weather rides BOA L5 dial closure system offers a secure and comfortable waistband fit 11 inch inseam