Designed specifically for the needs of anglers, this lightweight, durable nylon long sleeve button up shirt dries fast, with mesh-lined cape vents at the back shoulder to keep you cool and built-in UV protection. Omni-Shade UPF 30 provides maximum protection for long hours in the sun Hidden vents at shoulders add bonus breathability Buttons at upper arm to convert to a short sleeve Quick dry Relaxed fit Omni-Shade 100% nylon Men's Columbia Bahama II Long Sleeve Shirt