Fish Flex Cross-Channel Fabric Technology & Vented Back Wicks Moisture from the Skin to Enhance your Comfort Level. Product Details Description Hook & Tackle's® 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 System® Breakthrough UPF 50+ Rating - highest possible rating Radial Sleeves for More Expansive Arm Movement Super Duper Quick-Dry Shrink-Resistant Video