The original running jacket the nike sportswear windrunner women's jacket is made with smooth, lightweight fabric for all-day comfort. An adjustable hood offers custom coverage while a vent at back delivers optimal airflow. Benefits adjustable hood for a personalized feel dropped back hem enhances coverage vent at back improves breathability zip pockets product details plus size 1x-3x fabric: body: 100% polyester. Pocket bags/upper back lining: 100% recycled polyester. Today, this running-turned-everyday jacket is still as relevant and exciting as it was back then. In its long-standing history, the nike windrunner has stayed true to its principles with 26-degree chevron styling, excellent breathability and unparalleled weather resistance.