PU Upper Boots Square Toe Metal Heel Knee-High With Zip Closure — Black | KIMLUDIn black, this women's knee high boot commands the city with a fearless, sabre sharp polish and a punk luxe pulse you can wear. Crafted for those who write their own nightlife, it makes your stride electric. Primary color: black Material: PU upper and shaft with PU lining and EVA insole Silhouette & Toe: knee high silhouette with a square toe for a bold, architectural line Closure & Heel: ZIP closure; super high heel (8 cm+) with a sculptural,