roomy comfort and stand-out style. the nike just do it printed boyfriend women's t-shirt is made with loose-fitting tri-blend fabric for a comfortable fit, while a large screen print provides a bold look.. benefits. rib scoop neck with interior taping for durability and comfort. large screen print for bold style. loose fit for comfort and a casual look. product details. fabric: 50% polyester/25% cotton/25% viscose. machine wash.