Design: Flexible, lightweight, waterproof bootie keeps the feet dry in any weather 200 gram Thinsulate™ Insulation comfortably keeps the feet warm PU coated leather for added protection and longevity Water repellent treatment ensures that the fabric does not absorb water during light rain and showers Gusseted tongue comfortably prevents debris from entering the shoe Tongue is connected to the upper on both sides to keep it centered Active Support mobile wings hold the foot in place and accompany its movement Traditional lacing system for a secure fit Heel pull loop for easy on and off In-Shoe Comfort: EnergyCell EVA midsole offers enhanced shock attenuation ADV-C Chassis™ molded insert keeps you connected to the ground, adding flexibility and stability to your stride Cozy faux fur lining for added warmth and insulation Molded EVA sockliner provides enhanced comfort by mimicking the foot’s natural shape Sockliner is designed for cold temperatures and features 4mm layer of EVA foam for increased insulation Durability & Traction: Winter Contagrip® outsole uses a unique compound that maintains adhesion in freezing temperatures Additional Details: Recommended for cool conditions and high activity levels where the wearer generates a lot of body heat