These are warm yet cool pants from MUJI, with a nylon outer layer. They are light gray. I purchased them two years ago, but they have never been worn and have been stored. Light gray easy pants made of stretch fleece lining, size M, comfortable to wear. - Color: Light Gray - Size: M - Material: Stretch fleece lining - Style: Easy pants - Waist size: 63-69cm Thank you for looking.