The Dickies 2PK Muscle Tank is a set of two large black tank tops made from a blend of polyester and spandex. These tanks feature moisture management and breathable fabrics, making them perfect for all seasons. The tank tops are machine washable and offer a comfortable stretch for added flexibility. The genuine Dickies brand ensures quality and durability, while the sleeveless style and solid black color make them a versatile and essential addition to any man's wardrobe. Perfect for those looking for shapewear that provides both style and functionality.