Pure Silk Casual Sleep PantsModel 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,