***The Stitching on Right Hand Side is Broken. See Uploaded Pictures. The Polo Ralph Lauren Boys Rashguard Shirt is a stylish swim top perfect for boys in size medium. Featuring a colorblock design with the signature big pony character, this shirt offers a regular fit with a crew neck and pullover closure. Made from a comfortable polyester blend material, this T-shirt is machine washable and ideal for summer, fall, and spring seasons. The designer theme and logo accents add a touch of sophistication to this classic polo shirt from a renowned brand like Polo Ralph Lauren.