Give his everyday outfits a dose of Polo style with this cute set-it comes with two fleece sweatshirts and a stretch chino baseball cap, each embroidered with our signature pony. Sweatshirts: 87% cotton, 13% polyester. Cap: 98% cotton, 2% elastane. All items: machine washable. Sweatshirts: Size 9 months has a 12" body length and a 14" sleeve length. Sleeve length is taken from the center back of the neck. Cap: Si.