Aerogel Fastener Neck Warmer Black Free Size Never used; selling to declutter For men and women Uses aerogel batting with excellent insulation properties ◎ Smartly protect yourself from the cold with this accessory! Just wrap it on! Easy to use with a zipper closure, and always reliable! ● Product Features ● ・Easy to put on and take off without messing up your hairstyle or makeup thanks to the zipper closure! ・Can fully cover your mouth and adjust the height by opening the zipper ・Simple design, perfect for going out, commuting to work or school by bicycle, and outdoor sports! Materials Outer fabric: 100% nylon Batting: 100% polyester Lining: 100% polyester