The Uniqlo U collection is the realization of a dedicated and skilled team of international designers based at our Paris Research and Development Center led by Artistic Director Christophe Lemaire. Heavyweight 100% cotton jersey fabric. Durable dry touch, heavyweight jersey fabric gains character with every wash. Binding at the collar helps the neckline keep its shape. Relaxed, unisex cut. Neckline inspired by vintage military Tshirt designs.