With the usual comfort and flexibility of MEPHISTO shoes, this derby will be your ally for the season. The SOFT-AIR midsole and SHOCK-ABSORBER help to reduce shock to a minimum for a smooth, fatigue-free walk. AIR-RELAX technology respects the anatomy of the foot to prevent arch collapse. This lace-up shoe offers optimum comfort and an excellent fit. This dark blue derby for men is made of suede leather.