Its extremely lightweight and flexible polyurethane construction is designed for premium comfort, safety and durability. This boot is designed for comfort for both ladies and mens feet. The countered shaft and shock absorbent heel deliver outstanding comfort, and thermal insulation down to -20°C is sure to keep your feet warm on frosty mornings. Insulation means your feet will also stay cool on hot days.This product is fully rated against slip (SRC certified) and offers you protection and confidence to get the job done. Purofort professional boots are resistant to oils and chemicals and built to withstand physical wear and tear from farm work and equipment, with materials and design that outlast any other boot in its class.