[Adjustable Earmuffs]: Built-In Wire Inserts Make The Earmuffs Flexible and Soft, Not Easy To Fall Off. The Earmuffs Are Adjustable. To Ensure Comfortable Wearing. Suitable for Different Head Shapes and Can Be Easily Put Into The Pocket After Folding. [Unisex] Universal Earmuffs Keep Your Hairstyle Intact. and The Straps Are Wrapped Around The Back of Your Head. To Keep Your Ears Warm. Without Tangling Your Hair. You Can Use Glasses. Wear A Helmet and A Hat. To Ensure A Comfortable Fit. [Warm and Comfortable] The Outer Layer of The Earmuffs Is Made of High-Quality Fabrics. The Soft. Are Durable and Comfortable. and The Inner Layer Is Made of Thick and Warm Plush. Which Can Keep The Ears Warm Even In Extremely Cold Temperatures. [Wide Uses] Winter Warm Earmuffs Are Suitable for Various Outdoor Activities Such As Hiking. To Run. To Ski. Skating. Snowball Fights. To Go Biking. Fishing Etc. You Can Also Gift It To Your Wife or Husband for Christmas. They Will Like It.