Salomon Men's XA Pro 3D Ultra GTX Trail Running Shoe Rubber sole This shoe is designed for runners who hit the trail hard mile after mile and who run or race in all kinds of weather over all kinds of terrain. The thought behind the design gives runners and racers the ability to think more about running as the structure of the shoe provides added safety. This allows runners to concentrate on achievements without having to worry about injury by incorporating prevention into the shoes designs through advanced technologies keep feet healthy during the most grueling workouts. This shoe offers runners and racers the best of many worlds by allowing runners to maintain speed over rugged terrain.