Features of the Carhartt Men's Rugged Flex 6 Inch Work Boot - Soft Toe Soft toe. Identifies non-safety soft toe intended for use in environments where protective safety toes Are not needed or required 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 Rubber heel bumper. The rubber heel bumper feature is designed to provide extra abrasion resistant durability Fastdry Technology lining. Fastdry lining wicks away sweat for comfort Cushion comfort insole. Carhartt PU with foam cushion insole provides comfortable support and reduces foot fatigue EVA Midsole with PU strobel pad Cement constructed with carhartt rubber rugged flex Outsole