UNIQLO HEATTECH leggings, XL size, warm and comfortable material. - Brand: UNIQLO - Model Name: HEATTECH - Size: XL - Material: 38% Polyester, 32% Acrylic, 21% Rayon, 9% Polyurethane - Material: 40% Polyester, 33% Acrylic, 17% Rayon, 10% Polyurethane Thank you for viewing. Size: XL (LL) 2 out of 8 have some fraying. Some are like new.