My dermatologist yelled at me. "You're doing a good job of protecting your face," she said, "but you have quite a bit of sun damage around your neck and shoulders, and you have got to watch your arms and hands." Then she zapped two not-precancerous-yet-but-they-could-be-someday things on my arms. AUGH. Skin cancer freaks me out. My mother has it (as do a bunch of my other relatives — we're pasty!) I've seen what she has to go through — surgery after surgery, even chemo at one point — and I never, ever want that if I can possibly avoid it. So I buy vats of the highest SPF I can find, wear UPF t-shirts and sun hats and all that. But I draw the line at wearing long-sleeved shirts in the summertime. I've tried, but it's just really uncomfortable to go out in 90-degree heat in long sleeves — especially in polyester UPF fabric. Plus, they don't cover the backs of my hands, where age spots and other things are starting to show up. Enter: Al...