Just as functional on the job as it is on a boat as a fishing shirt, this men&';s performance button down is made with lightweight, UPF-rated fabric that blocks sun, fights sweat, and dries quickly to keep you cool. Built-in ventilation keeps the air flowing, and stretch fabric lets you move naturally. The relaxed fit offers a little extra room to move. Features 2.9-ounce, 100% polyester Sun Defender UPF 50+ UV protection Carhartt ForceA(R) with FastDryA(R) technology fights odors, wicks away sweat, and keeps you cool Built to move with Rugged FlexA(R) stretch technology Spread collar Long sleeves roll to three-quarter length with button-secured tabs Shorter length can be worn tucked or untucked Model Height: 6&';1"; Wearing size M