Adaptive cushioning for the long haul, hit the roads running in the Brooks Ghost 9. Featuring BioMoGo DNA cushioning and a Caterpillar Crash Pad, this daily trainer offers a smooth and responsive ride that adapts to every step along the way. HPR Plus and Blown rubber work together to offer durable traction and the use of Omega flex grooves further enhance flexibility. On the upper, engineered mesh with synthetic overlays provides lightweight breathability with a snug irritant free wrap.