MEPHISTO CHARLES | Men Outdoor Shoes. This shoe, with its sporty, relaxed look, will win you over with its unparalleled comfort. The detachable insole, with integrated SOFT-AIR technology, and the outsole, equipped with SHOCK-ABSORBER, minimise impact and guarantee an effortless walk with a spring in your step. Treated with HYDROPROTECT, this shoe provides increased water resistance. The AIR-RELAX technology respects the anatomy of the foot to prevent fallen arches. This leather lined shoe guarantees an unparalleled fit.