Kids' Secret Wash shirt in multicheck Item F5114 Size: All sizes are US sizes. Size Charts Quantity: 1 2 3 4 5 6 7 8 9 Prices do not include taxes. Add to Bag Wishlist Add to Bag Add To Wishlist share: size & fit Classic fit. Product Details Just like Dad's Secret Wash shirts, this cotton check style is a year-round go-to. It's supersoft thanks to our top-secret wash process and preshrunk for a perfect fit—so no surprises after the first cleaning. Cotton. Button-down collar. Chest pocket. Machine wash. Import. Item F5114.