About the brand: A favorite of professionals and home athletes alike. NYC Marathon Athletics Heat Grid Half Top Runs True To Size Size selections are US Design details: Slim Fit, Designed To Contour The Body. NB HEAT technology helps keep you warm in cooler temperature while wicking away moisture. Zippered stash pocket provides secure storage. Reflective Flying NB logo at left chest. Long sleeves. Mitt and cuff construction. Designed for the TCS New York City Marathon¨ with official race branding. Imported This item is lined 95% recycled polyester, 5% spandex Imported