Material: This casual beanie is made of wool. The fold-over hem is equipped with interchangeable sunglasses lenses. Function: When you are skiing, hiking, biking or any other outdoor sports, you can turn it off to quickly protect your eyes. Put on this warm hat and quickly protect yourself from the bright winter sun or snow. Goggles: There are 2 ports at the hem that can replace the lenses of the sunglasses and goggles. Just flip them down to block the bright winter sun or snowy roads. It has advantages over traditional men's or women's winter hats. Ideal for Most Sports or Outdoor Activities, it will replace the need for any other hat. It can be used in a wide range of uses: used as beanies, running caps, women's cycling glasses, men's cycling goggles, mountaineering caps, women's running caps. Design: Unique and eye-catching design, thick enough to prevent wind, while being soft and light. Specification: material: Wool Color: black, grey Size: head circumference about 56-60 cm/22.05-23.62 inch package: 1 pc * ski cap Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.