Rockport Men's Zenacity Lace-Up- Dark- 100% Leather Rubber sole Adidas geoFit anatomically shaped collar and heel padding provides comfortable supportive fit Molded adidas adiPRENE in the heel provides a highly shock-absorbent cushioning protects the heel at impact Rubber outsole provides a durable grip on a variety of surfaces both on trail and off truWALK architecture provides a natural full range of foot motion, from shock absorption at heel strike to flexibility at forefoot. EVA midsole provides lightweight shock absorption for reducing foot and leg fatigue