Buff bands are great!  Cover your face, or head.

BUFF Original Multifunctional Headwear has been re-engineered with a 4-Way, seamless, ULTRA STRETCH fabric construction that features UPF 50 protection, and 100% recycled REPREVE^® Performance Microfiber. Can be worn more than 12 different ways, from a cap to a balaclava to a hair tie, for a personalized style and perfect fit.