Explore swim trunks and rash guards for boys from the likes of Kanu Surf, Shein, Adidas, Russell, Nike, etc. Fin Fun is an Idaho-based brand reputed for swimming accessories for kids and adults. They have the most innovative 3D side fins for a realistic mermaid experience. Their intricate, gossamer yet appealing mermaid tails are delightful to watch and wear while having a real-life mermaid feel. Purple color gives a royal feel and luxury to the products.