WHAT’S NEW DNA LOFT cushioning now extends throughout the midsole for an even smoother transition from heel to toe. SMOOTH TRANSITION DNA LOFT goes beyond the heel, all the way to the forefoot, for a buttery smooth stride. GUIDERAILS® HOLISTIC SUPPORT SYSTEM We’ve shifted our focus beyond the feet to the most injury-prone part of a runner’s body: the knees. GuideRails® support keeps you moving comfortably by keeping excess movement in check. SOFT, SECURE FIT The new Engineered Air Mesh upper hugs the foot for a secure fit while also improving breathability. STRETCH & STRUCTURE The 3D Fit Print applies strategic stretch and structure to the upper wear at ankles as photographed