Waterproof Warm: When You Use the Ear Muffs for Winter in Cold Rainy or Snowy, Your Ear Muffs for Winter Refuse Wet,Always Keep Your Ears Warm.Shield the Wind from Ears Without Blocking Sound. Adjustable Band: The Band of the Ear Muffs for Winter Could Be Slightly Stretched, It Can Be Adjusted According to Your Head Circumference in a Small Range, And Don’t Slip and Fall Easily. Foldable and Easy to Use: Our Ear Muffs Are Convenient and Simple to Wear, These Earmuffs Will Make You Look Very Stylish, And They Will Not Fall off Easily When You're Walking or Running. Behind-Head Style : The Ear Muffs Is Unisex Ear Warmers That Wrap Around the Back so It Can Be Worn with Glasses, Helmets, And Hats and Are Not Cumbersome While You Work. Excellent Winter Accessory: Our Earmuffs Accompany with You in All Your Outdoors Activities Such as Shopping, Hiking, Camping, Biking, Ice Skating, Skiing, Sledding, And More.