UGG Women's Zermatt Wired Earmuff - Versatile Earmuffs - 70% wool, 20% nylon, 10% acrylic, Knit earmuff, Earphone and microphone, Exposed shearling, Logo hardware Functional and stylish earmuff with headphone port Exposed Shearling 70% wool, 20% nylon, 10% acrylic