ATD Men's Advanced Carbon Premiere Bib Shorts - Made in USA Inner panels: 77% Nylon/23% Spandex; outer side panels: 87% Polyester/13% Spandex Machine wash cold, hang dry Elite fabrics, components and construction molded into one bib: compression fabric to support your muscles during exercise, supportive multi-layer and multi-density chamois pad and leg openings that won't ride up Elastic free leg bands don't ride up as you pedal; the grippers are a featherweight silicone; no more thick, tacky, irritating silicone gripper elastic 4-layer chamois pad with varying thicknesses, densities and construction creates a chamois that contours to your body and supports the sit bones Adult Sizes: Small (28-30 waist, 8.75 inseam) | Medium (32-34 waist, 9.25 inseam) | Large (36-38 waist, 9.75 inseam) | X-Large (38-40 waist, 10.25 inseam) | XX-Large (42-44 waist, 10.5 inseam) | 3XL (46-48 waist, 10.75 inseam) Complete the kit with our matching Advanced Carbon Premiere Jersey; all jerseys and bibs are made in the USA