Brook Ghost 17The Brooks Ghost 17 builds on a fan favorite platform with subtle yet meaningful updates aimed at improving comfort and ride quality. Designed for neutral runners, this latest version adds 1 mm of DNA Loft v3 cushioning in the heel and 3 mm in the forefoot, offering a slightly softer, more responsive underfoot feel. A reengineered midsole features precision flex grooves to support smoother transitions and more natural movement throughout your stride.