No need to wait for someone else to make first tracks. Keen gave these waterproof winter boots for women a higher profile for deeper powder and their warmest insulation (rated to -40°C), plus better grip for snow and ice. KEEN.DRYA waterproof, breathable membrane that lets vapour out without letting water in. Perspiration and moisture naturally produced by the foot are able to escape, while at the same time keeping the wet out and the feet dry. KEEN.WARMLightweight, warm insulation made with charcoal from bamboo to hold heat. The higher the gram rating, the warmer the boot. ECO anti-odourThe insoles are infused with probiotic technology that naturally breaks down odour in sweat without heavy metals or hazardous chemicals.