1. WARM & WINDPROOF bandless ear warmers are built with a fleece interior lining. Between the fleece lining and the outer shell there are two layers of Thinsulate to help block out wind from going through the ear warmer.2. BANDLESS Stop messing up your hair! Our sleek design provides warmth without sacrificing your look. For those with longer hair Earbags tuck away nicely behind your hair, its hard to notice you even have them on.3. TECHNOLOGY- Each package comes with an ear warmer that snaps onto each ear. This compact design allows for easy storage and transportation. 4.LIGHTWEIGHT PERFORMANCE- Earbags lightweight design make them the perfect accessory for outside cold weather activities. Some popular activities customers use Earbags for include but are not limited to: running, skiing, cycling, ice skating, snowboarding, etc.