Made from 100% polyester MTR filament fleece, it’s super soft and super warm. The fold-over hands and feet make it easy for you to bundle them up without the need for gloves or shoes. The one-piece is also breathable and lightweight, so they’ll stay comfortable during the journey to the park or the campsite. The asymmetric zipper makes it easy to take off and put back on. A super-soft full-body fleece barrier against winter chill.