There are winter boots, and then there are boots for being outside in the winter. Oboz insulated Sapphire is the outside kind of boot, built on a womens-specific last. Waterproof nubuck leather combines with B-DRY waterproofing, 3M Thinsulate Insulation, an O FIT Insole Thermal insole,and a winterized rubber outsole for solid cold-weather traction. The end result is a warm, dry, and uncompromising winter hiking boot that gets downtown in style.