UGG $152 22603 Exposed Headband Chestnut S/M NWT! This headband is the perfect accessory for winter. It features exposed sheepskin and offers a stylish solution to cold weather. Genuine Sheepskin 30% RSW Wool, 25% Nylon, and 45% Acrylic Sweater Knit Lining Elastic at Back Embroidered UGG Graphic Logo Item No. 22603 WOMEN\'S HATS One Size Fits Most: UGG Headwear measures about 23\" which corresponds to a medium / large. HOW TO MEASURE If you are unsure which hat size to purchase, please follow the below steps: Measure the circumference around your head, keeping the tape level and firm across the temples and above the eyebrow ridges. Determine your hat or cap size using the size chart. If between sizes, select the next size up.