96% Polyester, 4% Spandex Imported HUK MENS DIAMONDBACK SHORT SLEEVE BUTTON DOWN SHIRT: Made from lightweight materials that promote airflow, keeping you cool and comfortable during warm days on the water MOISTURE-WICKING TECHNOLOGY: Features advanced moisture-wicking properties to draw sweat away from your skin, ensuring you stay dry and comfortable during active fishing trips UPF 30+ SUN PROTECTION: Offers UPF 30+ protection against harmful UV rays, helping to safeguard your skin while you enjoy outdoor activities CLASSIC BUTTON-DOWN DESIGN: Combines a stylish button-down look with functional features, making it suitable for both fishing excursions and casual outings HUK: Uniting anglers through performance-engineered, technical gear designed to fuel your passion and pursuit no matter when, where or how you fish