Elorvian Chillstep™ Plush-Lined Winter Ankle Boots have an artificial-PU upper, rubber sole, artificial short-plush lining and side zipper. The lining adds insulation, but no temperature, stability or all-day comfort guarantee is listed. This style fits the winter boots category for casual cold-weather wear. Artificial short-plush lining. Artificial-PU upper. Rubber sole with no certified slip-resistance rating. Side zipper for entry. Sizes EU 35–41. Suitable for everyday cold-weather errands, mainly in normal winter conditions. Free tracked shipping: 8–15 business days. 30-day returns: no direct exchanges. FAQ Are they fleece-lined?The supplier lists artificial short-plush lining.Are they guaranteed warm enough for winter?No tested temperature rating is listed.Does the wedge sole guarantee stability?No.