The Adidas Womens Ultraboost Winter RDY are lightweight and breathable with a monofilament knit upper which has transparent panels like windows open to a breeze. Responsive cushioning rides on a transparent outsole that adds to the icy-cool feel. On tempo runs, you have no time for weather to slow you down. Don't compromise a stride in your training in these running shoes, they are made for inclement weather. The knit upper allows for airflow while the water-repellent finish sheds the rain. A metallic finish on the 3-Stripes adds some bling to your nonstop high energy. Get back what you put in, thanks to the reactive midsole for endless energy return.