Calvin Klein Mens Tops. Fashion category: T-Shirts & Henleys. SKU: 4MS0K294-100. This crew neck t-shirt is engineered from a performance fabric with 37.5 technology. It is also detailed with short raglan sleeves and small side slits for freedom of movement. The outlined logo at the side elevates your workout and style. Material: 60% Cotton, 40% Polyester.