Men's heavy duty HydraHyde waterproof insulated winter mittens lock in warmth while still allowing your hands to breathe, keeping you moving on the coldest days. These mittens feature a sewn-in glove insert adding dexterity. They're insulated with 150-gram 3M Thinsulate insulation and have a fleece-lining for added comfort and warmth. The gloves feature a waterproof /breathable glove insert, a water-resistant heavy duty nylon back and an extended gauntlet cuff with an adjustable barrel lock to keep out snow and debris. These mittens are designed for cold weather leisure and sport activities and are sure to keep your hands warm no matter what the task.