180s Men's Ear Warmers - Tuckerman Black One Size inner liner that provide warmth and comfort on cold winter days. Patented behind-the-head design fits comfortably over your ears and allows them to be worn with other headwear, glasses, and head protection. Adjustable click-to-fit frames ensure an easy, comfortable fit on a wide variety of head sizes. They also collapse for easy storage in bag, purse or briefcase. Patented behind-the-head design fits comfortably over your ears and allows the ear warmer to be worn with other headwear and head protection. Shell (89% Polyester, 11% Spandex)Lining (100% Polyester)Insulation (100% Polyester)