FINIS Men's Hydrospeed 2 Brief Swimsuit 73% nylon/ 27% spandex Imported 73% Nylon, 27% Spandex The advanced lightweight Scalex structure compresses against the body while whisking away water from the surface. Flat-Lock stitching and durable fabric 73% Nylon, 27% Spandex; Rinse with cold water after each use and hang to dry, luke warm wash, do not soak, do not use detergent, do not use bleach, do not iron, do not tumble dry, do not dry clean Hong Kong