To help you find the perfect fit, we’ve updated our US size grid. If you previously wore a Sézane size 5, 6, or 6.5, your new size is 4, 5, or 6 respectively. Thigh-high boots Thigh-high boots with mid-height heels Item made in our Portuguese workshop Inner zip fastening Split leather exterior Leather lining and insole Rubber outsole Laminated leather heel Heel height: 5.5 cm / 2.2 in Tone-on-tone metallic zip