This XL Navy & Jade sun-suit is a one-piece UV sun protective swimsuit featuring a zipper front design, made from a comfortable blend of 80% nylon and 20% Elastane. With a UPF50+ rating, it blocks over 97.5% of harmful UVA and UVB rays, providing essential protection against sunburn and skin damage. Additionally, this swimsuit offers defense against jellyfish, sea lice, and sand-flies, making it an ideal choice for beach outings and water activities. It's machine washable, but hand washing in cold water is preferred for longevity. Refer to the size chart for the best fit.