Eco Dynacool fabric Mesh fabric on the back Reflective accents for extra visibility Green-R: Sustainable Production Stay cool and comfortable on every run with the Core Running Singlet. Made with breathable Eco Dynacool fabric, the singlet provides good ventilation, even on hot days. Mesh fabric on the back provides additional air circulation, allowing the body to optimally cool down as you move. Reflective details provide excellent visibility in the dark or low-light conditions, providing added safety while running. Furthermore, the singlet is manufactured under the Green-R brand, meaning you're choosing a sustainable and environmentally friendly option. Our commitment to a better environment comes to life with Green-R. On our journey to a greener world, we are embracing sustainability in our production process step by step. This garment is part of that journey. Enjoy sustainable sportswear and help reduce our carbon footprint. Together, we will contribute to a greener future. Enjoy the Green-R distance.