These are designed for heavy duty work and the steel toes are designed for an industrial setting. Incorporated into these boots are modern technologies, stability, durability, comfort and extra ankle support you get from a lace-up. They have an 8" upper and are lace-up. Twisted X® Work Boots are electrical hazard protected. The outsole construction is designed to reduce the hazards of contact with electrically energized components, to meet USA ASTM 2413-05 and ANSI Z41 standard.