Men。Carbon nanofiber safety toe meets or exceeds ASTM F2413-18 I/75, C/75 and EH (Electrical Hazard) safety standards. Slip-resistance outsole meets or exceeds ASTM F3445-21 standard. Upper construction of leather and textile material. Waterproof membrane construction keeps out the wet elements for a drier, more breathable foot environment. These work boots have no exposed metal and are security friendly. Lenzi puncture-resistant plate guards against sharp objects. Flex-welt construction for comfortable flexibility in every step. Textile lining. Removable, foam and textile insole. Pull tab on heel counter.