UPF 50+ Polyester Fabric: Super soft 4-way stretch quick dry fabric provides ultimate comfort and ultra-light breathability, effectively wicking moisture away from the skin to keep you dry and cool during workout Ergonomic Comfortable Design: Men's long sleeve swim shirts feature a tagless collar and premium steel-printed webbing behind the neck to reduce chafing and improve comfort, and a loose fit that allows arms to move freely for a relaxed fit New Stylish Design: The back of this sun shirt is made of breathable mesh fabric, which allows air to flow between the skin and the fabric, providing better heat dissipation; the ocean element on the front chest and back are printed with water slurry technology, making it more fashionable UV Protection: 50+ UPF rating provides excellent UV protection to protect your skin from UVA, UVB rays Enjoy The Sun Safety: NORTHYARD crewneck rash guard for men is available in a variety of colors for swimming, fishing, beach, surfing, sailing, running, hiking and other outdoor activities, meeting your diverse style preferences