The Plenum is a comfort-first hiker-style boot with a grippy, slip-resistant and durable PVC outsole and an internal steel toe-cap, plus waterproof leather — and an overall waterproof construction. 6-tie boot, with two tunnel hooks for a secure fit Padded collar Internal steel toe-cap Built on top of the iconic and durable PVC air-cushioned sole Waterproof construction Made with Republic WP, a waterproof Crazy Horse leather with a waxy, oily finish Safety Spec: ASTM F2413-11 MI/75 C/75 EH Slip resistant ASTM F1677-2005
