Blundstone XFR safety boots stand on a thicker, solid rubber lug sole for safe, long-wearing, all-season comfort and stability. Comfort Arch footbeds help to reduce stress on bones and joints, cushioning heel-strike impact by up to 90%. Steel toe boots with rubber toe caps protect the boot itself and extending service life. A work boot so safe it protects itself! Pull-on work boots that won't let you down. Chelsea boot height. The most comfortable work boot.Our rubber lug soles are not designed for extreme cold or icy conditions. Rubber lug sole traction is reduced in conditions below freezing and may slip on icy surfaces. Work & Safety XFR #962