Arm Sleeves vs Sunscreen: Which Actually Protects Better?
Arm Sleeves vs Sunscreen: Which Actually Protects Better? Every summer I watch the same scene unfold at the trailhead: someone pulls a brand-new bottle of SPF 50 from their pack, squeezes a generous dollop onto their forearms, and heads out for a four-hour hike. By mile three the sweat has carried half of it into their eyes, and by the turnaround point their arms are the color of a sunset....
