The Tec Fleece Ear Warmers feature a soft thermal fleece shell with recycled eco-fleece lining and Primaloft® insulation. The 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 fully collapse for easy storage in bag, purse or briefcase.