Carter's Boy's 2 Pc Ivory Plaid Sherpa Lined Flannel Top & Heather French Terry Pant Set Top body: 100% cotton flannel, Top body lining: 100% polyester sherpa, Top sleeve lining: 100% polyester microfleece, Pants: 100% French terry cotton Machine washable Yarn-dyed flannel Sherpa-lined body Microfleece-lined sleeves Button-close flap pockets No-pinch elastic waistband