due to the nature of the styles they are very versatile in their fit. size small should span age 2-3 years. size medium will span ages 3-5 years and size large will fit age 5 through to age 7. obviously children do vary so it can be hard to define by age. if you know your child is smaller/ taller than average then buy accordingly. we would suggest always buying larger if they are on the cusp of 2 sizes-as at least they can grow into it! all of apolina kids styles have multi-season wearability.
100% cotton, handwash recomended