Features: 100% Natural, made from premium luxuriously-soft hypoallergenic Australian merino wool. GOTS certified organic cotton outer. Machine-washable. Naturally fire resistant.Optimal weight merino lining so it can be used in all 4 seasons with suggested dressing guide. One size: 2-4 years.Both shoulder snaps and full-length inverted one-way side zipper for easy dressing; Closable seat-belt slots for easy transfer from stroller or bouncer to crib.Exceptionally breathable merino regulates body temperature and keeps your child comfortable all night long.Save time and money - No need to buy different TOGS and sizes.