Little Boy's 2-pc Short Sleeve Button Down and Tee Shirt Set Button-down: 100% cotton; Tee: 60% cotton/40% polyester Machine wash cold with like colors; tumble dry low Set includes 1 short sleeve button-down shirt & 1 short sleeve t-shirt Plaid shirt has 2 front pockets with button closures Cool transportation design on front of tee Shirts can be worn together for a layered look or separately