Pearl iZUMi Men&#39;s Syncro Seek III Running Shoe,Black/Dark Shadow,12.5 M,Pearl iZUMi" /> 100% Synthetic mesh Rubber sole Seamless Race Upper with 360 degree lacing system High-abrasion seamless mesh construction Hight-traction carbon outsole for off-road performance Forefoot stone guard protects from rocks on the trail Forefoot flex groves for a smooth, efficient ride