Gray unisex TOMSON SHOES are an indispensable part of your daily walk. The nylon sole structure makes it flexible and light. The perforated surface allows the foot to breathe. It has a high sole. It features Hummel's iconic chevron detail on the front, and the logo on the back. It is a candidate to be one of the most preferred performance shoe models of the season. Polyurethane Faux Leather Upper, Fylon Sole; It is strongly not recommended to wash the shoes in the washing machine. It can be wiped with a damp cloth to remove stains and dirt from the surface of the shoes. It is definitely not recommended to wash the shoes in the washing machine. It can be wiped with a damp cloth to remove stains and dirt from the surface of the shoes.