The SDI custom sun buffs are made of 100 percent polyester microfiber that wicks away moisture and protects you from the suns harmful rays! Rated to 30 UPF. Thier is no wrong way to wear these!! Wear it has a neck gator, or as an facemask when the bugs are out. Or for you women you can wear them as a Alice Rag or a sahara and keep your flowing locks in check on those windy days on the water.