For supreme efficiency and first-class comfort, the Brooks Ravenna 11 Mens Running Shoe will deliver every time. Not only does it have Brooks’ classic BioMoGo DNA midsole cushioning for lightweight comfort, it’s fitted with the GuideRails system to protect your knees by preventing excess movement. On top of that they’re sleek and speedy, with a one-piece mesh upper for a light and breathable fit and the Midfoot Transition Zone for rapid heel-to-toe transitions. Combining comfort, performance and minimal weight makes the Ravenna a great shoe for running both marathons both shorter races. Get set to smash your PBs.