Reiss Black Caitlin Leather Knee High Boots. The Caitlin boots are a timeless style, designed to finish neatly just below the knee for a polished look. They feature a mid-height heel and a pointed toe, with a wrap around strap and buckle detail to each ankle. Knee Height. Pointed toe. Leather construction. Mid-height heel. Heel height 9.5CM. Pre-owned condition. Size 38, US 7.