The Brooks Adrenaline has been the Go To Shoe for Brooks for almost 20 years and this version won't disappoint. It has an updated look and now uses Brooks' holistic GuideRail system, and gives you a soft yet responsive feel. The GuideRail system is designed to keep excess movement in check, and focuses it's support on the knees (which are the most injury-prone part of the body). The cushioning is a combination of their BioMoGo DNA and DNA Loft to provide perfect softness while not compromising on durability and responsiveness. The upper got a nice update with a 3D Printed engineered mesh to improve fit and look. This shoe will adapt to your every stride, keeping you feeling great for every run.