It Core Running shirt is the ideal base layer for every novice or recreational runner. Lightweight, comfortable and functional, just what you need for your daily workout or a relaxing run outdoors. Made from Intex Flex 180 fabric (92% polyester, 8% elastane), the shirt offers a pleasant mix of softness, elasticity and breathability. The Short zipper at the front gives you extra ventilation, while the thumbholes at the end of the sleeves ensure a good fit and extra warmth around the wrists. Reflective accents increase your visibility when running at dusk or in the dark, so you can stay safe. Thanks to sustainable Green-R production, this shirt is also a responsible choice. Whether you're new to running or just want a reliable, comfortable shirt for your daily workout, with the Core Running shirt you are always in the right place.