From Vionic, the Bianca Suede Stacked Heel Booties feature: Suede upper Full inside zip closure Synthetic lining Western-inspired detailing Pointed toe construction Built-in VIO MOTION Technology footbed with contoured arch support, shock-absorbing cushioning, deep heel cup to provide stability, & forefoot flexibility for all-day wear Synthetic outsole Approx. 4.5" boot shaft height Approx. 10.62" boot leg circumference Approx. 0.25" platform height Approx. 2.25" heel height Imported.