Smoother and softer, this runner favorite just keeps getting better Smoother feel Updated midsole is now 100% DNA LOFT cushioning for an even softer, smoother ride. Better transitions The new softer midsole and Segmented Crash Pad team up for easier flow from landing to toe-off. Improved fit Our 3D Fit Print balances stretch and structure so the shoe adjusts comfortably to your foot. What's New DNA LOFT now makes up the entire midsole. Simplified midsole construction creates more seamless transitions. More strategic use of 3D Fit Print technology provides structure that moves with the foot. Additional Benefits 3D Fit Print in the heel and saddle offers a secure fit. APMA Seal of Approval: The American Podiatric Medical Association Seal of Acceptance is awarded to products that promote good foot health and are substantiated by a committee of discerning podiatrists over a sixty-day trial period. APMA Acceptance must be applied for and is not automatically available to styles that meet its criteria.