The FROST lightweight jumpsuit, is a perfect baby winter overall for the little baby who has not yet started to walk. A lightweight jumpsuit lined with Primaloft padding, offering a garment with superior softness in combination with an excellent warmth-to-weight ratio. The jumpsuit is wind- and water-repellant and protects your baby from wind and cold. The outer material is a durable yet lighter Nylon. The garment is perfect during the windy or colder season, when your baby still is in a carrier, therefore also proteced by a stroller bag. The Frost jumpsuit is considered to be a heavier insulation piece since it is not 100% waterproof. The Primaloft lining has moisture capabilities and helps the baby regulate body heat. The overall has a zipper that goes from the collar and down to one of the leg endings, making it very easy to dress your baby as well as change diapers. You will find a cuff in the sleeve and leg endings that can be folded on top of the hem, which enables an extra size basically.