KEEN Anchorage Boot III is a versatile pull-on winter boot built for use from country road to city streets. The waterproof nubuck leather upper delivers durability, protection and good looks, and the KEEN.DRY membrane is waterproof and breathable. Serious warmth is provided by 200 grams of KEEN.WARM insulation and a woolly, removable Thermal Heat Shield footbed. The dual-compound ice and snow grip outsole has 4mm lugs for a sure-footed grip. This boot is rated down to -25F.