Puma Core Windbreaker Jacket: Wind CELL: Highly functional materials provide you a durable yet breathable protection against wind-chill, while helping you to maintain your body temperature at a comfortable level during exercise Mesh inserts for enhanced air circulation at critical heat zones Extremely lightweight for enhanced comfort Reflective logo & other reflective items for enhanced visibility in low light conditions Zip pocket for additional convenience Ventilation for enhanced air circulation at critical heat zones