1. Warm and Windproof - The strapless ear warmers are made with fleece lining. There are two layers of Thinsulate between the fleece lining and the outer shell to help block wind from passing through the ear warmers. 2. Does not mess up the hair Unlike most ear cups that have a wraparound design, our sleek design provides warmth without sacrificing your appearance. For those with longer hair, the ear pockets hide well behind your hair and are hard to notice. 3. Lightweight Performance - The lightweight design of the ear bag makes it the perfect accessory for outdoor cold weather activities. Some popular activities customers use ear bags include but are not limited to: running, skiing, cycling, skating, snowboarding, etc. 4. Best gift options for family and friends