The mesh upper is made of a tough, lightweight yarn that is woven into the integrated upper. The specific area increases the weaving density, giving the foot more support, while the other areas are more flexible or breathable. The shoes sole are made from ultra light natural rubber material. The rubber outsole offers impact cushioning, anti-twist, abrasion-resistant and anti-slip performance, helping users adapt to any road condition. Elastic blade sole for high flexibility. Provides enough support for the foot to more efficiently and return energy to the sole of the foot to ensure comfort during walking and running. Men Size 46/ US 11-11.5 Pre owned ~ good condition