Sprigs Earbags Cable Knit with Thinsulate, Charcoal, Medium WARM & WINDPROOF  All Sprigs Earbags 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. BANDLESS  Stop messing up your hair! Unlike the majority of ear warmers out there that have a wrap around design, the Sprigs Earbags do not. 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. PATENTED SNAP ON TECHNOLOGY- Earbags are built with a patented Snap On technology. Each package comes with an ear warmer that snaps onto each ear. This compact design allows for easy storage and transportation. Most customers order a few pairs and leave a set of Earbags in each jacket so they are always readily available. Store in a closed position to maintain proper fit. 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. Check out our HIVIZ styles for those of you who active at night and need that increased visibility. SIZING- Earbags come in three sizes. Sizing is important to make sure that Earbags fit comfortably and stay on securely. 80% of adults fit in Medium and Large sizes. Most children need a Small. Please follow the sizing chart and get an accurate sizing of your ear: Small: under 2 inches, Medium: 2 inches -2.75 inches, Large: over 2.75 inches. Works with studs and small hoop earrings, we do not suggest wearing them with bulkier earrings such as large hoops.