The Lands' End Women's 3-in-1 Systems Jacket is a lightweight outer jacket with a removable inner puffer vest. It has double hand jacket pockets and vest pockets. The jacket is made of 100% polyester and has a 100% polyester lining. The vest shell is made of 100% nylon and has a 100% polyester lining. The vest filling is also 100% polyester. NWT XL