The Bunting Airy is the perfect one & done starter muff for milder temperatures as it features a breathable airy-like exterior and a soft 100% cotton lining; 2 central zippers for quick in-and-outs; and a full body sac for your infant&&';;s comfort. Consider this duvet-like suit your newborn&&';;s slip-on coat on crispy days strolling with a bassinet or stroller. The Bunting Airy will cradle baby to sleep in no time. DETAILS Full body coverage with 2 side zippers that span the length of bunting for easy infant dressing & removal Fold-over mitt-sleeves Comfy cotton-lined hood Soft, fluffy and airy outer shell Ultra-soft premium insulation Breathable 100% cotton jersey lining Temperature Rating: 50AdegF/10AdegC