MEPHISTO THOMAS PERF | Men Shoes Leather Smooth. Two perforated side bands give this sneaker a refined and casual look. The SOFT-AIR midsole and SHOCK-ABSORBER help to minimise impact for an effortless walk with a spring in your step. Speedy lacing. The leather lining ensures good foot hygiene. This model stands out thanks to the tricolor braid on the tongue.