A performance button-down shirt with off-trail style and feel-good fabric? Count us in. The Men's Beacon Hill Short-Sleeve Shirt features abrasion-resistant, breathable nylon Supplex® fabric and soft, flat-felled seams for comfort and durability. Built-in UPF-50 protection shields your skin from the sun whether you're in the mountains or around town. Reduce your environmental impact with Marmot UpCycle® fabric, which is made from post-consumer plastic bottles that have been recycled into quick-drying polyester and then blended with cotton.