This "boys' UV-protected swim t-shirt" is designed for children who want to enjoy summer fearlessly. It provides UVP+50 protection against the sun's harmful rays. It's made from ultra-flexible, special swimwear fabric with a slim fit for ease of movement. This long-sleeved UV-protective swimsuit features a shark pattern. At Denokids, we know that children grow up with colors and fun characters, and we say, "Let children wear their dreams!" All Denokids products are manufactured according to European standards for child safety. Each item is individually passed through metal detectors to detect broken pins. 85% Polyester 15% Elastane