Runners hitting the road on hot days will love the New Balance Fresh Foam Zante v2 Breathe running shoe. The update is designed with the same streamlined profile and responsive Fresh Foam cushioning to provide runners with an effortless feeling while they run. A highly breathable, perforated mesh upper allows for superior air flow. Upper: Perforated upperfeatures a combination of no-sew support and premium breathable mesh for a secure yet flexible and soft fit. Bootie Construction wraps over and around the foot for a snug, sleek feel. Flat laces reduce irritation.Midsole: Fresh Foam midsole provides continual cushioning no matter where you come down on the shoe for a smooth ride. Toe Spring helps the shoe feel fast, assisting with quick transitions from heel to toe. Removable insole.Outsole: Lightweight rubber outsole helps provide a smooth ride in a lightweight package, while stabilizing and protecting the foot upon impact.