Keep Your Ears Warm & Comfortable: Enhance your active outdoor lifestyle; whether you're zipping down a mountainside in sub-zero temperatures, taking an early morning run, or walking home from work in the cold of winter, you'll be warm and comfortable, giving you an exceptional outdoor experience. This is a must-have winter accessory for all your outdoor activities such as shopping, hiking, biking, traveling, running, ice skating, skiing, sledding, and so on.