There are various arm covers available, but if you really don't want to get a sunburn, should you choose one that is UPF 50+ rated? It can also cover the back of your hand, and you can operate your watch. No claims, no returns, please. 50% polyester, 50% nylon. Care Instructions: Hand wash only. About this product: UPF 50+ sun protection rating. Coolcore cooling fabric, chemical-free. Moisture-wicking, quick-drying, breathable. Stretch fit for active use. Watch access at the wrist seam. Description: Using chemical-free Coolcore® technology, these UVShield Cool Sleeves naturally breathe and wick, promoting evaporative cooling. Thumb holes provide hand protection and a stretch fit, perfect for all kinds of strenuous activities. Convenient wrist seams also allow access to your watch.