From Dansko, the Michele Leather Chelsea Booties feature: High-quality leather upper Slip on with dual side goring  Front and back pull tabs Combination of 100% recycled bamboo carbon yarn linings and chrome-free leather Chrome-free leather socklining for breathability Cushioned, energy-return PU footbed for lightweight comfort Lightweight BPU midsole with steel shank for supreme stability Slip resistant rubber outsole suitable for dry, wet and oily/wet surfaces Approx. 4.5" boot shaft height Approx. 11.81" boot shaft circumference  Approx. 1” heel height  Imported.