Barefoot Strobel construction offers flexibility and comfort. Synthetic leather and breathable air mesh upper. TPU overlays secure the foot. Fused rubber toe bumper provides durability and protection. Synthetic leather rear foot sling provides ultimate stability. Internal support construction secures the midfoot for optimal fit and support. Integrated microfiber footbed treated with aegis® antimicrobial solution resists odor. 4 mm compression molded EVA midsole for increased cushioning and support. 0mm ball to heel drop keeps you connected to your terrain. Vibram® Road Glove Sole is durable and shock absorbent.