Sand Beige Padded Nappa Leather Sandals PRADA White Matelass Nappa Leather Slides Miu Miu Nappa Naturel Loafer Leather Sandals 100% Real Leather Designer Tucson Nappa Naturel Loafer Leather Sandals 100% Real Leather Designer Tucson. Miu Miu's matelass nappa leather Sandals are distinguished by the matelass work that gives a three dimensional effect to the upper. The design is embellished with metal lettering, while the leather sole and banded leather heel complete the model with elegance and attention to detail.