The Reef Boy's Gram Twinpin are made for your little man who loves style. These sandals are water friendly made with a vegan upper that looks like leather. Featuring tripe density EVA construction with anatomically correct arch support EVA footbed is lightweight for little feet. The high density EVA outsole is durable enough for the active kids lifestyle. For sizes: 2/3, 4/5, 5/6, 7/8, & 9/10 they have an attached heel strap.