Rockport Men's Stapleton Oxford- 100% Full-grain leather Synthetic sole Dynamic Suspension footbed features DMX&#174 foam chamber for dynamic air cushioning Strobel construction provides forefoot flexibility to aid walking motion Micro DMX&#174 air bag provides additional heel cushioning PlayDry&#174 and pigskin lining helps keep the foot dry PMEVA outsole delivers lightweight, resilient cushioning for reducing foor and leg fatigue