Acrylic One size fits most; head measurement: 57 cm, 22-3/8", Size 7-1/8 Made with 100% acrylic; measurements: 9.75" x 4.0" Inner sherpa/fuzzy lined for extra warmth Stylish accessory to match with cardigans, scarves, leggings and more For styled hair or bad hair day C.C Soft Stretch Winter Warm Cable Knit Fuzzy Lined Ear Warmer Headband - BA39GWELC