Fish Flex Cross-Channel Fabric Technology & Vented Back Wicks Moisture from the Skin to Enhance your Comfort Level. Product Details Description Hook & Tackle&';sA(R) Marlin Chase shirt features a dual hook logo on the front chest and the Hook & Tackle logo on the sleeve. It&';s made with a Fish Flex Cross-Channel, 90% Polyester 10% Spandex Stretch Comfort Fabric that Goes With You, Wicks Moisture, Radial Sleeves for Expansive Arm Movement, UPF 50+ Sun Protection to Block Sun&';s Harmful UV Rays and also Features a Rear Vent to Keep You in Breathable Comfort. Features: 90% Polyester 10% Spandex Stretch Comfort Fabric Solar SystemA(R) Breakthrough UPF 50+ Rating - highest possible rating Radial Sleeves for More Expansive Arm Movement Super Duper Quick-Dry Shrink-Resistant Video