100% Cotton FABRIC: 95% Cotton and 5% Spandex, soft, lightweight, quick-drying, comfortable to wear. OCCASION: Perfect for your workout and sports, like fitness, running, cycling or casual. Slim fit button V neck casual t shirt,more soft and snug fit. Match with sweatpants, trunks and casual pants, the best choice for spring, autumn. NOTE: Pls reference size chart intead of amazon size,it is slim fit,if you're not sure your size,pls contact us,we will help you to choose.