Casual, versatile, and essential for anyone's wardrobe, this performance muscle tank is made from active-stretch fabric with heat retention that provides flexible movement and keeps you warm. It features a classic crewneck and our signature J-class logo at the hem.90% polyester, 10% spandex.Active stretch fabric provides easy, flexible movement all day. Heat retention circulates body heat to keep you warm.Crew neck.Sleeveless. J-class logo at hem.Machine wash.Imported.