Nautica Boys' Three Piece Set with Shirt Mock Neck Sweater Vest and Plaid Pant Sweater: 100% Cotton; Pant: 60% Cotton, 40% Polyester; Shirt: 55% Cotton, 45% Polyester Imported Machine Wash Long sleeve woven button-down shirt Pullover sweater with button detail at neck Plaid pant with adjustable elastic waistband