Kodiak's Widebody Warm 8" Composite Toe Winter Safety Work Boot is constructed of waterproof leather with a membrane construction for added protection. With a oil and slip-resistant rubber outsole and comfortzone footbed, these boots emphasize protection and comfort for technicians. The 8" Widebody boots also features a CSA and ASTM-approved composite toe and composite plate ESR/EH, as well as a molded rubber toe guard and heel guard . They also offer 3M trim detail and Thinsulate insulation, all in sizes 8-12, 13,14,15,16 XW.