PIKOLINOS. W9E-0912 COR. WOMENS MAHON W9E. CORAL. The most comfortable sandals thanks to their light technology lightweight insoles and medium wedge heel. Their design and colour are ideal for more romantic styles. Upper-- 100 percent calfskin leather. Inner lining-- 25 percent pig skin and 75 percent calfskin leather. Synthetic sole. Adjustable velcro strap.