Nothing highlights thigh-high height like the stylish studs on the Yoki Giada Black Studded Over-the-Knee Boots! Vegan leather riding boots reach up-to-there with stunning gunmetal stud-work in circles and squares all around the top cuff (with a slit behind the knee for comfort). 21.5" shaft has a 17" circumference at opening, and measures 15.5" around at the halfway point. 8.5" zipper at instep. Rounded, almond-shaped toe has top-stitching along the sole, and a 3/4" rubber heel. Nylon insole and lining. Non-skid rubber sole. Available in whole and half sizes. Fit runs HALF SIZE SMALL. Measurements are for a size 6. All vegan friendly, man made materials.