Run, climb, bike, or train comfortably with Marmot Men's Windshear Short Sleeve Shirt. This semi-fitted crew neck shirt is quick-drying, has reflective details and provides optimal breathability for non-restricting movement Polyester with mesh paneling Semi-fitted Crew neck Ultraviolet Protection Factor (UPF) 50 Quick-drying and wicking Flatlock seams to reduce chafing Reflective details 8.9 oz. Imported