Supersoft medium weight waffle fabric with reinforced, coverstitch seams. Seamless outside leg. Easy case. Thermal. Unisex size guide; XXS - Womens XS, XS - Womens S, S - Womens M, M - Womens L, L - Womens XL, XL - Womens XXL, XXL - Womens 3XL. Cotton rich blend. 60% Cotton, 40% Polyester. Ref: UTTP4462