Patagonia has the fishing shirt you need on the water to protect you from the sun (UPF 30) in hot, muggy weather. When you are lounging on the deck with a mojito, you'll be comfy and stylish. Ultralight 52% nylon, 48% polyester Quick-drying, moisture-wicking design Mechanical stretch provides ease of motion when casting Hidden zip-closure pocket Sunglasses wipe panel on front.