Engineered knit upper offers structure, support and breathability with a comfortable fit Open knit construction across the midfoot and forefoot offers increased breathability Double eyelets create additional lockdown across the instep Balanced Meta-Rocker offers versatility in every activity Rubberized foam midsole provides a dynamic, responsive ride Rubberized foam outsole offers high rebound and cushioning Outsole siping provides traction and precise flexibility Preowned condition, signs of wear on uppers and soles .