SAS Women's Alpine Slip Resistant Lace Up Ankle Boot Turn any tough day on the job into a breeze with the superior comfort and support of the Alpine. Durable Waterguard water-resistant leather uppers in a casual silhouette. Traditional lace-up closure for a secure yet adjustable fit. Soft and breathable textile linings. A removable SAS CoolStep Footbed features an anti-friction lining that provides a cool surface underfoot with a moisture-wicking bottom layer designed to keep your feet cool and dry.