Baby Gear Boys Newborn 4 Piece Short Sleeve Pant Bib and Sock-Tie Bodysuit Pant and Bib : 100% Cotton; Socks: 69% Cotton/21% Nylon/7% Polyester/3% Spandex Machine Wash Bodysuit, pant, sock and bib Comfort and easy to change Bodysuit front snap closure Machine wash cold, tumble dry low