Every runner needs a fashionable and high-quality long-sleeve tee that can go with any outfit while keeping the chill at bay. Enter the On Core Long T. This timeless long-sleeve shirt is lightweight and made from mostly recycled materials, so you can look good and feel good. Details Versatile tee has everything you need for every day, cool-weather runs Lightweight fabric is made with 92% recycled polyester that wicks away moisture, is breathable and dries quickly The colors and style complement just about any workout outfit