Dress your little one for a day of cozy fun with our infant boys' jogger set, complete with a handsome Henley shirt and socks for warmth. Shirt and Pant: 100% Cotton; Socks: 72% Cotton, 26% Polyester, 2% Spandex Elastic waistband, just slip on Long Sleeve Machine washable cold and tumble dry low Snap closure for easy changes