Mossy Oak's men's long sleeve fishing shirts are designed with the angler in mind. Built with Hydroplex™ technology to keep you cool, dry, and protected from the sun, our shirts are lightweight, breathable, and high performance. Made with 88% Polyester/12% Elastane Main Body Fabric and 100% Polyester Mesh Panels - Powered by Hydroplex™ Technology 4-Way Stretch Fabric Mesh Spine and Side Panels for Added Breathability Mechanically-Engineered, Chemical-Free Cooling that Never Washes Out Main Body Fabric Provides 40+ UPF Sun Protection – Mesh Provides 20+ UPF Activated Cooling from Sweat & Moisture with Up to 30% Reduction in Body Surface Temperature Microfiber Cloth Stitched Inside the Lower Front for Cleaning Sunglasses, Eyeglasses, Phones, and Camera Lenses Ideal for All Types of Fishing - Inshore, Offshore, Saltwater, and Freshwater   Size Chest Small 34-36 Medium 38-40 Large 42-44 X-Large 46-48 2X 50-52 3X 54-56