The Nike Air Max Solas is an innovative running shoe for the high-mileage neutral runner. Full grain/nubuck leather upper offers supportive fit. No-sew technology eliminates all upper and interior seams for added comfort. Maximum Air-Sole® unit adds impact protection and comfort. BRS 1000™ carbon rubber outsole adds great traction and durability. Lightweight Duralon® provides additional cushioning. Flex grooves help deliver a smooth ride.