Carhartt Force Sun Defender Long Sleeve Shirt Outwork everything under the sun. Engineered with an emphasis on sweat-fighting and sun protection, this work shirt is ideal for the warmest days. 2.9-ounce, 71/29 polyester/nylon chambray Sun Defender UPF 50+ UV protection Carhartt Force works harder to fight sweat, dry fast and stop odor FastDry technology wicks away sweat to keep you cool Rugged Flex technology for ease of movement Button-down collar Mesh-lined vent at center back for flow-through ventilation Two chest pockets with a pen stall Carhartt label sewn on left chest pocket Roll sleeves with button tabs Two-button adjustable cuffs with extended plackets Relaxed fit