Heel Height: Approx. 8'' Tall. Upper: Boulder Waterproof FLAME, and Cut-Resisting Leather with 1000 Denier WATERPROOF Nylon. Construction: Flexible Goodyear Storm Welt. Insulation: B-400 Thinsulate Ultra Insulation. Lining: Comfort Weave / Sympatex WATERPROOF Barrier, Blood Borne Pathogen Compliant. Insole: Pillow Top Removable "Motion Sensor" Footbed with Memory Foam. Midsole: Rubber. Shank: Fiberglass. Outsole: Vibram Sierra Lug with Polyurethane Midsole Cushion. Special Features: Flexible L-Protection Puncture-Resisting Insole Material. Made in USA by ISO 9001 Certified Shoe Company.