“You can reduce your risk of skin damage and skin cancer by seeking shade under an umbrella, tree, or other shelter before you need relief from the sun.   A hat with no holes (like a straw hat) to protect the scalp and neck with a brim around entire hat.  Eyeglasses protect your eyes.  Your best bet to protect your skin is to use sunscreen or wear protective clothing when you’re outside—even when you’re in the shade.”

CDC Centers for Disease Control and Prevention