1. Size Information:; Soft, stretchy, stretchable and fit most heads, these polar fleece earmuffs are very lightweight and cover your ears to keep out the cold 2. Reliable material: The outside of the ski earmuffs is made of quick-drying polyester fabric, which is designed with digital printing technology, which is not easy to fade and crack, and anti-pilling; the inside is made of polar fleece, which is windproof and warm, and effectively anti-static; double stitching, not easy to broken 3. Warm and Comfortable: These soft ski earmuffs are designed to keep your ears warm on cold and windy days; the interior is soft with fine seams to keep moisture and wind out, blocking out cold winds instead of sound 4. Applicable Occasions: Our over-ear headbands are versatile and suitable for casual wear; not only for daily wear, but also for other winter outdoor activities such as cycling, skiing, running, hiking, camping, etc.