Montbell's Exceloft Zip Leg Warmers. Used only once, they are in very clean condition with almost no stains, scratches, or signs of wear. They use Exceloft insulation, providing excellent warmth while being lightweight. The side zip design makes them convenient to put on and take off without removing your shoes. Ideal for hiking, camping, and outdoor activities, as well as for indoor cold protection in winter or while desk working.