The Waterproof Womens Short Sleeve Rash Vest has been made using Lycra & Spandex to create a lightweight, quick drying, flexible, durable & water wicking garment. This rash guard offers a 50+ IV protection factor, flatlock stitching & a ten panel construction. Features 50+ UV Protection Bonded High Quality Nylon Thread Flatlock Stitching Lightweight & Quick Drying Naturally Antibacterial & Water Wicking Ten Panel Construction for Increased Mobility Specifications Fabric Lycra/ Spandex * Please note this product isn't 'waterproof', the brand name is Waterproof, you will get wet wearing this alone in the water Interactive Size Chart