Hilly Hi-Viz Running Gillet Lightweight, soft, water repellent and highly breathable fabric - means you can chuck it o Contoured contrast side panels - with reflective piping for increased visibility. Rear Air Vents - To aid with ventilation and keep you cool in warmer weather 2 side zipped Pockets and an internal zipped Pocket - great for storing valuables and runn Adjustable Drawstring Waist - To give you extra flexibility on fitting