For training in cool, windy conditions, the INOV8 Women's Windshell Jacket is hard to beat. An ultralight, packable layer, it provides runners with windproof, moisture resistant protection. Comfortable to move in, it has ventilation zones under the arms & on the back to ensure excess body heat can escape. It features a hood, drop tail hem, & thumb loops to provide extra coverage & warmth. When not in use, the hood can be secured with a snap button to stop it flapping as you run. The entire jacket stuffs into the chest pocket for so you can stow it in your vest or pack when the weather improves.