Asics Level 2 Lightweight Running Jacket 4-Way Stretch Woven Fabric - this material allows fantastic range of movement so you will never feel restricted whilst exercising Stretch Inserts - specifically placed under the arms to allow for a greater range of movement Ventilation Zones - strategically placed on the arms and the front and back of the jacket to help keep you cool as you exercise Zipped Pockets - on the front of the jacket, ideal for small valuables Reflective Printing - helps to keep you visible and safe at night