Boreas was the god of winter, so naming a pair of trousers after him is a big promise. These keep it. They’re a water-repellent version of Nike’s Tech Fleece, with a high-pile fleece lining and Therma-FIT technology that manages your body heat, so cold days and light rain don’t change your plans. It’s the Tech Fleece look you know, but built for the weather. Face: 100% Cotton Back: 100% Polyester Therma-FIT Technology Water-Repellent Loose Fit Elastic Drawstring Waist Zip Hand Pockets Adjustable Bungee Hems Style Code: IM6229-010