Sun Protection: UPF 50+ fabric with cooling, quick-dry, breathable, and chlorine-resistant performance provides comprehensive protection for outdoor and water activities in summer, so you can enjoy the sun without worrying about sunburn 4-Way Stretch Fabric: High-elastic stretch material offers greater freedom of movement, allowing you to perform any activity comfortably without restriction or tearing Colorful Reflective Logo Design: Enhances visibility and style in low-light conditions; tag-free collar and flatlock seams help reduce chafing and increase comfort Underarm Stitching Design: Enlarged underarm panel provides a wider range of motion while eliminating chafing and noise when swinging your arms Versatile for Multiple Activities: Ideal for swimming, beach volleyball, kayaking, surfing, water park activities, offshore fishing, running, cycling, and other outdoor sports Men's UV Swim Shirt Short Sleeve Loose Fit Easy Rashguard Tee Premium rash guard shirt for men made of breathable,stretchy and quick dry fabric. Flat lock stitching and lightweight swim tee give you ultimate comfort without any irritation . UPF 50+ help block the sun’s harmful UV rays so you can stay out in the water, longer.