Rash X Vests are a vital part of any wetsuit users wardrobe, used to add comfort under a wetsuit or to protect you from harmful UV rays when you have the suit rolled down. Short-sleeved, high necked, and close-fitting all Rash X vests use exclusive Xtend U.P.F 50 material which means that you'll be protected from harmful rays as well as enjoy a full unrestricted range of movement. The Xtend material is fully breathable, so it will allow heat and moisture to escape from your body. Get Covered Up!