Help yourself stay healthy with these great shoes. These shoes were built with a minimalist, almost barefoot mindset, to help strengthen your feet and legs which helps prevent injuries. Upper consists of breathable mesh with a medial variable lacing system for a customized fit. Midsole consists of phylite that is siped into an engineered pattern of flex grooves for flexibility and cushioning. Outsole consists of phylite with BRS 1000 rubber inserts for traction, cushioning, and durability.