Breathable Performance. Classic Style.Colour:GreyYour favorite running t-shirt just got a face lift. Nike Dri-FIT Cool Tailwind Stripe Men's Running Short-Sleeve Shirt boasts updated design lines that have been moved forward for an even more comfortable, flattering fit.Soft, cotton-blend Dri-FIT fabric helps keep you dry and comfortable.Bonded shoulder seams for lightweight durability.Front-hip pocket stores small items.Loop on the center-back neck helps keep cords in place while running.Reflective details enhance visibility in low-light conditions.85% POLYESTER 15% COTTON