Note:We are Asian size, and Asian size is smaller than American size. Please buy one or two sizes larger when you buy. Material - Made from 65% Cotton, 30% Polyester, 5% Spandex.Soft, lightweight and breathable, gives you optimal comfort. Show Muscles - Mens muscle hoodie shirts with sleeveless and two drawstrings design, loose and bold cutting lets you move more easily and it will also show your muscles directly. Sports Occasions - Hooded athletic shirt is perfectly suitable for all sports occasions, whether you are lifting weights, stretching, running in the gym, or street basketball, skateboarding. Features - Lightweight Breathable Fabric, Excellent Airflow, Great for the Gym, Running & Sports,gym, bodybuilding, fitness, jogging, bicycling, running, playing basketball, football, workout; also perfect for leisure occasions. Make a statement in the gym and show off your arm muscle line with the MTENG Sleeveless Hoodie. The sleeveless design allows for optimal freedom of movement and the right amount of coverage. This regular-fit hoodie is made from a blend of high-quality cotton, polyester and spandex making it firm and breathable. It has a drawstring hood and kangaroo pocket. Service- If you are not satisfied with the item,please contace us,we would be happy to send you a replacement or issue you a refund.