SOFT AND PROTECTIVE MAXXING. The Ghost Max 4 is all about soft and protective max cushioning with seamless transitions to help running feel easy. Featuring a high stack of nitrogen-infused DNA LOFT v3 cushioning, GlideRoll Rocker transition technology, and built-in stability that won’t interfere with ANY stride. UPPER High-fidelity textile with soft hand feel. MIDSOLE High stack of nitrogen-infused DNA LOFT v3 foam delivers soft, smooth comfort for a protective feel and easy landings. GlideRoll Rocker actively promotes smooth heel-toe transitions for an effortless feeling as you move. Unique Linear Last construction makes fit inclusive of foot shapes and orthotics. OUTSOLE Broad base offers inherent stability for a secure feel that doesn’t interfere with a neutral stride. Full-length blown rubber for durability and traction. HEEL-TOE DROP: 6 mm (40-34) WEIGHT: 269 g | 9.5 oz