|Thorogood Womens 10 inch Wildland Fire Boot With Removable Zipper 534-6373 has an Upper: Black Panther Oiled Leather. FLAME and Cut-Resisting Leather with Scuff-Resisting \''Shark-Skin\'' Leather Toe and Heal Counter, Construction: Goodyear Storm Welt, Outsole: Thorogoods Exclusive Vibram® FIRE Sole, Lining: Dri-lex® Tongue, Comfort Weave Vamp, Insole: Removable Felt Footbed, Midsole: Rubber and Leather, Shank: Steel Triple Ladder Shank, Special Features: Meets the Requirements of NFPA 1977 Protective Clothing and Equipment for Wildland Fire Fighting, Current Edition. UL Certified. Lace-in YKK Duty zipper. Made in USA by ISO 9001 Certified Shoe Company.