The breathable comfort and reliable support of the Brooks Ravenna 11 running shoe gives you the stability you need to run at your best every day. Predecessor: Ravenna 10. Support Type: Overpronation/Stability. Cushioning: Lightweight, flexible response. Surface: Road. Differential: 10 mm. Lightweight one-piece, single-layer mesh and synthetic upper with an inner bootie for superior breathability. Lace-up closure. Plush tongue and collar. Wraparound heel collar and padded interior for optimal comfort.Soft Element fabric lining offers a great in-shoe feel.Removable textile footbed with energy-returning technology that provides excellent cushioning and shock absorption. BioMoGo DNA midsole supplies long-lasting cushioning, and features an environmentally-friendly build that breaks down 50 times quicker at the landfill, compared to similar midsole materials. Midfoot Transition Zone is designed to go from heel to toe quickly for a smooth transitions. DRB Accel thermoplastic shank adds torsional rigidity in the mid-foot for extra support without compromising heel and forefoot independence. Blown rubber in the forefoot for an extra-springy toe-off. Durable rubber outsole with superior flex grooves for excellent flexibility and traction. Imported. Product measurements were taken using size 8, width B - Medium. Please note that measurements may vary by size.Weight of footwear is based on a single item, not a pair.Measurements: Weight: 1 lb 2.3 oz