A4 Mens Reversible Moisture Management Muscle Shirt REVERSIBLE SHIRT- This muscle shirt is reversible, allowing you to change up your look when you need. MOISTURE WICKING - Innovatively designed to bring the moisture from your body to the exterior for evaporation, allowing you to stay cool and dry. 100% POLYESTER - This jersey is made out of 100% polyester. Made for athletes, to create a warm and breathable jersey that does not limit mobility. STAIN RELEASE MATERIAL - Stains are no issue with this jersey . Just one wash will lift deep stains, dirt and sweat and blood from the fabric of the jersey. SNAG RESISTANT - The construction of this extremely durable jersey resists all kinds of snagging, ripping, and thread issues. The high-quality ultra tight knit stitching holds up after hard work, tough games and multiple washes.