Lightweight and seamless double jacquard mesh for maximum ventilation and comfort|Morph suit upper lacing system – A multidimensional lacing design that comfortably harnesses the foot securely during dynamic movement| midfoot utilizes a distinct pattern of soft internal webbing to hold the foot secure|Pressure Free Tongue designed to provide comfort and avoid irritation and powered by qu!kfoam midsole to provide excellent cushioning and maintain a smooth comfortable ride|Medial Post paired with external TPU qu!k spine provides dynamic stability and integrated support|Qu!k flex 4Foot engineering provides for natural and balanced toe off while enhancing ground Contact for better acceleration