The innovative materials and progressive design of the ignite fasten8 provide the performance you need on the course and the style you need while off it. the tpu structure of the pwrcage helps provide unparalleled support around the midfoot while the disc system integrated webbing straps help wrap the midfoot for a secure fit. On top of a full-length ignite foam midsole, wrapped in soleshield for added durability, provides unparalleled comfort and energy return to help you feel and play your best all day long. While the outsole utilizes a pro-form tpu outsole with an organically-altered traction pattern.