The New Defender Zip gives the support you need from a lace-up boot but with the added convenience of zip side access. It’s industrial-grade certified & EH resistant so you know your feet are well protected. The Defender Zip also features a heat-resistant rubber outsole to 300 degrees, a 200-joule safety steel toe cap, external scuff cap, premium wheat nubuck leather, fully lined with a padded tongue and collar, so you can be assured of all-day comfort and protection.