100% Airlume Combed and Ringspun Cotton Made in the USA and Imported Pull On closure Machine Wash, Line Dry, Tumble dry low These men's muscle t-shirts are perfect for your everyday casual wear and great for working out. They are great for sports or any intensive training. This trendy design is original and makes a perfect addition to the wardrobe. The design on the shirt is as pictured in the listing above. Please note that the size of the design may vary depending on that size that you order. These shirts are made with 100% Pre Shrunk Cotton and the Light Gray color is made from 90% Cotton and 10% Polyester blend. To preserve the quality of the design we recommend washing the product inside out on gentle cycle with cold or lukewarm water. You can either tumble dry Low or line dry.