Sure, sunny weather is nice—as long as you can avoid those punishing ultraviolet rays. Sunburn isn’t just annoying; it accelerates the aging of your skin and is a leading cause of most skin cancers, according to the Skin Cancer Foundation. Wearing sunscreen is one way to ward off sunburn, but let’s be honest, slathering some on (and reapplying) every time you head outside is a chore. Looking for an easier route? Stock up on a few sun shirts.