Made of lightweight & thin soft and comfortable Triblend,designed for mens and women's Yoga shirts. Stretchy Triblend to support your muscular body. Perfect for Yoga,bodybuilding,workout,fitness, or casual wear when outside or at home . Colorful yarn added in the fabric that makes you special looking in appearance. Size S : Chest-（34"-37"); Size M : Chest-（37"-38"); Size L : Chest-（39"-40"); Size XL : Chest-（40"-41"); Size 2XL : Chest-（42"-44");