Imported Rubber sole Shaft measures approximately 5" from arch Heel measures approximately 1" Boot opening measures approximately 10.5" around Soft Toe. Identifies Non-Safety soft toe intended for use in environments where protective safety toes are not needed or required. Insite Technology Footbed. Carhartt footbed made with Insite technology is engineered to create maximum arch support to reduce foot fatigue during long days on the job. FastDry Technology Lining. FastDry lining wicks away sweat for comfort. Electrical Hazard (Non-Safety Soft Toe). Identifies secondary protection against incidental contact with electrical circuits of 18,000 volts or less under dry conditions. Non-Safety Soft Toe EH styles meet ASTM F2892-18 EH standards. Cement constructed with Carhartt rubber outsole.