The Life is Good UPF 50+ Rash Guard Swimming Shirt is a stylish and protective swim shirt designed for children. Made from a polyester and spandex blend, this long sleeve shirt offers excellent stretch for comfort and flexibility in the water. The multi-color design adds a fun and vibrant touch to this unisex kids' swim shirt, perfect for both boys and girls in size M. With its high UPF rating, this shirt provides reliable protection from harmful UV rays while allowing for a full range of motion during swim time.