Legacy Build How did this product end up on the seconds rack? - Legacy Build Details Shaft Height - 8" (boot heels excluded) Uppers - Smooth 8-9oz premium oil-tanned shrunken USA bison leather Lowers - Smooth 8-9oz premium oil-tanned shrunken USA bison leather Thread - Standard high strength cord Hardware - Traditional brass high-quality eyelets and speed hook combo Insole - Genuine oak-tanned USA leather Midsole - Genuine oak-tanned USA leather Arch support - USA leather Sole - Vibram 132A(R) Honey Adhesive - Fire ready adhesives throughout boot construction Lifespan - Rebuildable & Resolable Origin - 100% Handmade in the United States of America Some Bison boots use fire-rated materials, but Bison is not recommended for fire use. Check out our Fire Collection instead. Disclaimer Some Bison boots use fire-rated materials, but Bison is not recommended for fire use. Check out our Fire Collection instead.