Rockport Men's Wtclassic In Black W COLOUR_Rocky Multi layered comfort system utilizing poron Color:Loden Green Multi layered comfort system utilizing poron performance cushioning Reebok DMX (TM) Technology is a lightweight dynamic cushioning system that gives you a springy feel underfoot and provides long lasting cushioning Our proprietary Walking Platform Construction helps provide a wide base of support for heel and forefoot flexibility and a padded tongue and collar helps protect from excessive rubbing and helps prevent blisters Sponge EVA footbed conforms to the shape of the foot to help provide a personalized fit Padded collar and tongue help to prevent blisters and lace bruising Rubber outsole helps provide a durable grip on a variety of surfaces Rockport Walking Platform Construction helps provide a wide base of support for heel