Super-Soft cushioning; reconfigured midsole and outsole ratio allows for an increase in DNA LOFT for even more extreme softness underfoot without losing responsiveness or durability. An OrthoLiteﾮ sockliner provides premium step-in comfort.
  
GuideRails' Holistic Support System; Weﾒve shifted our focus beyond the feet to the most injury-prone part of a runnerﾒs body: the knees. GuideRailsﾮ support keeps you moving comfortably by keeping excess movement in check.