Allover perforations give subtle texture to the Pikolinos Merida W4F-3798C1. The slip-on loafer boasts a calfskin leather construction with contrast piping and solid panel at the heel. Breathable leather lining and cushioned leather insole. Plus, the inner lining of this design is made with 50% recycled microfiber technical fabric. Stacked heel. This design, with Strobel construction, comes with a PET mid-sole made 80% from recycled bottles. Man-made outsole. By purchasing this product, you're supporting responsible leather manufacturing through the Leather Working Group.