Rockport Men's Oak Circle Slip-On- 100% Leather Synthetic sole Antimicrobial lining stops odors, long lasting product protection Full grain leather uppers are easy to clean and maintina to extend product life Outsole - eva shock-absorbent cushioning protects the heel at impact Eva footbed with adidas adiprene highly shock-absorbent cushioning protects the heel at impact Padded collar to help prevent blisters.