Wesco Men's Firestormer 10" Black Fire and Water Resistant Lace-to-Toe Boots BKF310100F Leather Vibram sole This is Wesco Firestormer boots. Our salute to hotshots,smokejumpers and citizen volunteers everywhere. Fully equipped with more fire-resistant features than any other wildland firefighting boot on the market, Black Fire- and Water-Resistant Leather Lace-to-Toe, 10" #100F Vibram Sole . 6  - 7 oz. fire- and water-resistant upper leather, Lightweight black no-burn Technora upper stitching. Heavy black Kevlar upper and sole stitching, #100F Vibram flame-resistant, non-marking, oil resistant sole. Black leather laces, Removable false tongue. UL Certified for Protective Clothing and Equipment for Wildland Firefighting In Accordance with NFPA 1977-2011.