Add some cosy, sporty style to your child\'s collection this season with the Baby Newborn Onesie and Hat Set in WHITE from the trusted designer brand Boss Kids. Featuring a convenient popper fastening and short sleeves and legs, this comfortable onesie is a must-have this season. With the classic features of a flat collar, three-button opening and a sporty, striped design this simple onesie and its matching hat will keep your little one comfortable while looking cute this season.