The Catbird Baby classic fleece cover has an outer layer of 200 weight fleece in steel gray; lined with black microfleece. Snap the flap down over the top of your two shouldered baby carrier and tuck baby's legs into the elasticized foot pocket. The foot pocket of our winter baby carrier cover is elasticized to snug around baby's legs and keep them toasty. 100% polyester, made in USA.