ExOfficio Air Strip Lite Fine-Line Plaid Long-Sleeve Shirt Soft, moisture-wicking for comfort High-speed drying time and increased breathability with Airomesh Plus lined cape vent and AirStrip ventilation system Adjustable 3-position sun collar and 30+ UPF for excellent UV protection Handy roll-up sleeve tabs; utility tab is for keeping your rod steady while tying off a fly