- Celine Celine's new leather perforated loafers are invincible slimming and taller loafers, with laser perforated logo technology on the toe, and the simple design. The overall vision is particularly eye-catching and easy to match! Upper: cowhide/cow patent leather, lining: original mesh lining, heel height: 4.5cm, sole: rubber outsole, size: 35-39 (40 customized, non-refundable),