Model Wear: M (Height:187cm / Weight: 72kg). US Size Asian Size Pant Length XS M 99cm/39" S L 100cm/39.4" M XL 101cm/39.8" L 2XL 102cm/40.2" XL 3XL 103cm/40.6" Available Color: Dark Blue,Black,Red,Gray,Coffee,Tan, 1x Silk Long Pants. Material: 100% Mulberry Silk,No harmful substances. Details: These silk pj pants are not only incredibly comfortable but also moisture-wicking and breathable. They keep you cool during the night and dry during the day, making them perfect for year-round wear. Available size: XS, S, M, L, XL.