100% cotton. These are Adieu Tristesse cotton knit-style pants. They have a nice design with a sturdy material. There are slits on the inside of the hems, and a pocket on the back. Perfect with a dress or tunic. Please refrain from purchasing if you are sensitive to color variations due to lighting. Please understand that these are used items. Price reduced from 6900 yen. Price reduced from 4200 yen.