Free-size leg warmers that trap heat with a double-layered knit. - Product Name: Mysterious Leg Warmers That Don't Let Your Feet Get Cold - Size: Free Size - Features: Double-layered knit, traps heat - Uses: Measures against cold feet Black To reduce thickness for shipping, the item will be opened once and folded again before being sent. Please refrain from purchasing if you are overly concerned about this.