Bates 2299 Mens CT 6 Durashocks Crosstech Side Zip Boot&nbsp;7D (M) US Rugged full-grain leather and resilient 1680D nylon come together for an ultra-strong upper Cement bonded construction Durashocks comfort technology pampers your dawgs Side-zip for easy on / off and snug fit Slip-resistant traction rubber outsole has passed the SATRA WTM 144 test for stability.