Main part: polyester / elastane The 4-way stretch fabric allows greater freedom of movement in all directions. Sun protection factor UPF 30+ to protect the skin from harmful sun rays. Compression fit provides support and reduces muscle vibration. QUICKDRY - The sweat is quickly dissipated to the outside. The moisture-wicking material keeps you pleasantly dry and fresh. Care instructions: Machine wash cold, Do not bleach, Drying at low temperature, No ironing, Dry clean not chemically.