Adrienne Vittadini Mac Convertible tall knee-high leather boots

This is a pair of Adrienne Vittadini black leather boots in size 8.5. These boots are Mac convertible boots that are knee high initially, but unsnap and flip up to be over-the-knee style. The calf circumference in their knee high position is approximately 14”. These boots have wedge heels that are about 3.5" in height. The boots are new/unworn, but they do not come with the original box.