A longtime favorite, the women's Ghost 17 is back and better than ever. A new upper design delivers structure, while added cushioning in the heel and forefoot provides feel-good comfort. Design: New double jacquard air mesh upper and kickback collar provide added structure and comfort In-Shoe Comfort: Premium nitrogen-infused DNA LOFT v3 cushioning delivers lightweight softness and feel-good comfort, mile after mile The newly designed midsole combines with precise flex grooves to promote added flow toward toe-off 3 mm of added DNA LOFT v3 cushion in the forefoot, 1 mm of added cushion in the heel for a 10 mm offset and added comfort Durability & Traction: RoadTack HPR Heel Rubber outsole provides optimal traction Additional Details: Weight: 9.0 oz Offset: 10.0 mm