M, L, XL
Here's what other sites are saying:
Kokatat Youth Tropos Light SuperNova Paddling Suit - The SuperNova paddling suit from Kokatat is ideal, with the essentials to keep younger paddlers ages 12 and up dry without compromising quality. With a watersport entry zipper and neoprene Adjustable Punch Through collar, this dry suit has all the adult features for the younger paddler or sailor. This suit has also integrated TROPOS socks to even further the bang for your buck. If you're looking for a quality suit for your child, you cant go wrong with the Kokatat Youth SuperNova paddling suit.