Be able to handle different running surfaces

One step in the all-new Ghost 17 has the power to change everything. With the perfect balance of softness, the Ghost 17 helps release a rush of positive, feel-good energy through its nitrogen-infused cushioning and tried and true smooth ride. Now featuring an extra 1mm of DNA LOFT v3 in the heel and 3mm in the forefoot to help every mile feel as good as the first. Plus, the new, versatile look and assortment of colors is sure to enhance the vibes from start to finish.

thermochromic vents open at elevated temperatures