This beanie hat is one size. The hat stretches and it fits from a 3-year-old child up to adult. It is made of wool and it has white fleece linen inside.Measurements:Head circumference: 20" to 24"Hat Length: 7" to 8" Earflaps Length: 6"Care Instructions:Gently Hand washDo not wringLay flat to dryDo not Tumble dry Connect with us on Instagram and Facebook: @latinamericanboutique