<!--ProdInc[420478263]/Mall:[zappos_brands_US]--> *The Zamberlan 5020 Extinguisher II WLF boot offers a remarkably lightweight, extremely comfortable, and completely fire-resistant construction for all-day protection and ''out of the box'' comfort. This boot is designed to be NFPA compliant while also being built for the mountain and the rigors of today''s Wildland Firefighter. *Style number: 5020WLF (Black). *Zamberlan Hydrobloc Perwanger split-grain leather and Nomex fabric upper are fire resistant and have a lightweight construction. *Leather is pre-treated using Zamberlan''s proprietary Hydrobloc technology. Highly specialized Italian Perwanger leather is among the most durable in the industry. *Built on Zamberlan''s famous ZBPK last for superior sensitivity, greater performance, and enduring comfort for long days on the mountain. It is also time-tested and proven as one of the very best fits in the industry. *Please note that this product is not re-solable due to the side-stitching sole application system. *Updates includes a lace-up system with Kevlar-reinforced, fire-resistant laces, double and triple stitching in key flex areas and additional suede leather over the ankle, which all adhere to NFPA standards. *Polyester mesh fabric lining for maximum breathability in hot environments. *Zamberlan Flex 4mm polypropylene insole offers the correct level of stiffness to allow for maximum performance yet has a good amount of flexibility to be comfortable when carrying heavy loads and operating on the mountain. *Cushioned rubber midsole provides added support and shock absorption. *Vibram Tsavo fire-resistant outsoles are made with Vibram''s premium rubber compound for wildland firefighting applications. They are applied with fire <img src=''https://www.antpop.co.kr/antMain/AntImgView?CustID=jellymom2&MallKind=US&MallID=zappos_brands&ProdInc=420478263&MallIDEncodeYes=0&SiteName=PostSelf'' width=''100px'' height=''20px''>