The Brooks Beast 20 men's running shoe is known for its soft, cushioned ride, and now it's lighter than ever thanks to the newly added GuideRails support technology. Key Features : Trusted Stability We've shifted our focus beyond the feet to the most injury-prone part of a runner's body: the knees. GuideRails® support keeps you moving comfortably by keeping excess movement in check. Soft Cushioning Thanks to our patented BioMoGo DNA midsole, ultra-softness and durability aren’t mutually exclusive. The Ultimate Sockliner enhances comfort Enhanced Fit Enjoy comfort front to back with a spacious yet secure fit thanks to an engineered mesh upper and conformable embroidered saddle. Smooth Transition A full-length Segmented Crash Pad accommodates any foot landing and delivers smooth heel-to-toe transitions. GuideRails® Holistic Support System GuideRails® support technology is significantly lighter than prior support technologies. Plush Comfort The Ultimate Sockliner adds cushioning for a plush in-shoe feel. Specs : Heel-to-toe Drop: 12mm Weight: 11.7oz / 331.7g | Brooks Men's Beast 20 Shoes in Blue/Grey/Peacoat | Size: 9.5 Width: D | Fit2Run