Short Sleeve UPF 50 Rash Vest for Boys 2-7. Features include: Fit: Snug fit, Fabric: UVFLIGHT, a functional classic made from yarn, UPF 50+ Sun protection, Chlorine-resistant properties, Moisture-wicking properties, Treatment: Solution dyed fabric [black colourway]. Hand wash only. 86% Polyester, 14% Elastane.