- Celine's new Arc de Triomphe buckle embossed loafers are a super, super popular style. The simple design, the Arc de Triomphe buckle on the toe and the cowhide embossed texture make the overall look particularly eye-catching and easy to match. It's so perfect. And The effect on the feet is very comfortable and the feet feel great! Upper: embossed cowhide, lining: sheepskin, sole: genuine leather outsole, size: 35-39 (40 custom made, non-returnable),