Stylish CK black velour tracksuit set with hoodie and pants. Embossed with Calvin Klein logo throughout. Very classy. Perfect for casual athleisure wear. Worn only twice. Love it. But it no longer fits. Calvin Klein (identified by the RN# 54163 and CA# 57151). The tags indicate the item is a blend of different materials, with a main body of 95% Polyester and 5% Spandex, and a ribbed portion consisting of 57% Cotton, 38% Polyester, and 5% Spandex.