Rockport Men's Solicitor Oxford- 100% Calf skin leather Synthetic sole Polyurethane Kinetic Air Circulator(TM) offers durable cushioning with patented active air circulating technology California construction provides forefoot flexibility to aid the walking motion Fiberlon shank offers lighweight midfoot support Leather lining ensures durable moisture absorption Rubberized EVA outsole delivers durable, shock absorbency to help reduce leg fatigue