MEPHISTO VALERIAN | Men Sneaker Leather. Easy to slip on and very comfortable, this shoe will satisfy all your daily needs. The SHOCK-ABSORBER, in the outsole, and the detachable insole, with integrated SOFT-AIR Technology, help to minimise impact for a gentle, effortless walk. The lacing system enables speedy fastening without pressure, adapting perfectly to the anatomy of the foot. The leather-textile lining guarantees an optimum fit.