Top: 60% Cotton 40% Polyester, Pant: 100% PolyesterS/M/L/XL four sizes for women,knit top with print,light weight fleece pantsTwo-piece set includes long sleeve round collar and pants with elastic waist and drawstring.Premium 100% microfibre fleece pajama set keeps you warmVery comfortable to touch and wear. Make it more easy and comfortable when you at home