The Brooks Adrenaline GTS 9 is one of the most versatile running shoes around. Designed to meet the needs of a wide variety of feet, it has a large following of runners who will wear nothing else. It features Brook's Progressive Diagonal Rollbar which controls pronation and allows you to keep an efficient stride. The Adrenaline also contains Brooks HydroFlow units, providing excellent cushioning. The full length MoGo midsole provide additional cushioning while keeping the shoe lightweight and extremely durable.