CW-X Men's Long-Sleeved Ventilator Web Top 90% Polyester, 10% Spandex -4-way LiteStretch 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. Quick-dry moisture movement and evaporation through 3-layer capillary action for next-to-skin comfort LiteStretch 4-way stretch mesh fabric on the sides. UPF 50+ for UVA/UVB protection Thailand