The Brooks Beast 20 has all the support and cushion to take you all day from work to the road. This updated version of the Beast boasts GuideRail® technology that has significantly lightened up the shoe, while still maintaining that soft, plush ride and maximum support. Brooks BioMoGo DNA and the Ultimate sock liner ensure maximum comfort. Are you a heel striker or forefoot striker? The Beast sports a full length segmented crash pad that accommodates all types of foot strikes. Not only is the shoe built for maximum support, the engineered mesh upper has been redesigned for a more modern look.