Peter Millar NWOT boys white performance jersey polo shirt with navy embroidered whale 1891 on left chest. Features polo collar, 4 button closure, short sleeves, side vents, lightweight, breathable fabric that offers 4 way stretch, moisture wicking fabric, UPF 30 + sun protection. Gray signature logo below back collar. Size medium (10). 92 polyester 8 spandex Machine wash Comes with extra button.