Blundstone Unisex 179 Black Steel Toe BootBlundstone Unisex 179 Black Steel Toe Boot The Blundstone Unisex 179 Black Steel Toe Boot sets the standard for workplace safety without compromise. Built with electrical hazard resistance, slip resistant grip, and a durable TPU outsole that withstands hydrolysis and microbial degradation, these boots keep you protected through demanding conditions. The non metallic penetration resistant insole adds an extra layer of defense where it matters most.