From Bed Stu, the Frio Studded Leather Western Booties feature: Chrome and formaldehyde-free, vegetable-tanned leather upper Western-inspired leather overlay and stud detailing Inside zipper closure Red leather lining Natural latex, breathable, and moisture-absorbing insole Goodyear welted leather/rubber outsole Approx. 7.5" boot shaft height Approx. 8" boot shaft circumference Approx. 2" heel height Imported.