180s Ear Warmers are the ultimate in high-fashion, high-utility ear warmers. The patented behind-the-head design ensures that once you put your ear warmers on, they will stay on until you take them off. The shell, lining and insulation create a three part design to keep you warm, no matter what cold weather activity you're playing. The 180s Ear Warmers are the ultimate in running ear warmers, they keep you warm and won't slide off.