CW-X Women&#39;s Expert Running Shorts, Black, Small Polyester 80% / Spandex 20% Imported 80% Nylon, 20% Lycra - 2-way stretch Support Web; 80% Coolmax, 20% Lycra - 4-way stretch body fabric; Machine wash warm with like colors. Line dry in shade, do not tumble dry. Do not bleach. Do not iron. Do not dry clean. Flat seam construction eliminates abrasion, increases comfort and enhances fit. Women's specific design and pattern with Coolmax gusseted crotch liner. UPF 50+ for UVA/UVB protection Thailand