Vaenait Baby 2T-7T Boys Rashguard Swimsuit Set Cooling Jaws 80% Nylon/20% Spandex S (2T) / M (3T) / L (4T-5T) / XL (6T-7T) Certified UPF 50 UV protection. Easy Wash, Easy Drying Comfortable stretch fit Swimshirt with high neck design protect your kids' neck.