Upper is brown oil tanned leather with rubber toe bumper Outsole is Cement constructed with Carhartt rubber Rugged Flex outsole Removable EVA cushion insoles Storm Defender waterproof membrane and 400 gm 3M Thinsulate insulation CSA Grade 1 Safety Toe and Puncture Resistant Swen Flex PR Plate and ASTM 2413-17 PR EH