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. - Acrylic and polyester blended with wool for a natural feel. - Perfect thickness to produce a stylish silhouette. - Curved sides and tapered hems for a sleek look. - Thin cotton waist lining. - Comfortable elastic waist with a drawstring for size adjustment. - Slide fastener front. - With pockets on the sides and the right back. - Perfect for wearing indoors or out.