C-IN2 Men's Grip Short Sleeve Crew Neck Tee 96% Cotton, 4% Spandex Imported Hook and Eye closure Machine Wash C-in2 utilizes a special treatment on the inner layer of cotton that when against the skin, perspiration is transferred in one direction to the outside of the garment Grip is made to hold you throughout your athletic activities or whatever makes you sweat c-in2 keeps a tight grip on dry