These boots are new winter boots. The upper part is a waterproof nylon with an adjustable closure for easy on and off. The thermolite insulation keeps feet warm while the plush faux fur lining wicks away moisture for a drier and warmer environment. The insole is cushioned with antimicrobial protection (odor protection). The rubber outsole is nonslip Boots retailed for $50 - brand is Khombu