SPRINTSKIN upper features a layered lightweight package for added support and comfort through zonal reinforced underlays from the forefoot to the midfoot, creating a secure and stable fit. Anatomically molded EVA insole provides supreme comfort. SPRINTFRAME is a one piece plate features strategically placed SprintStuds throughout for ideal tracition. Rotational traction zone in the forefoot helps you cut on a dime. Srategically placed stability beams in the midfoot to heel keep your feet stable and supported.