The Brooks Addiction walking shoe delivers runner-tech cushioning and support and is designed to gently align your foot for a more natural gait. The removable cushioned insole allows for custom orthotics while the BioMoGo DNA midsole fuses lightweight cushioning and rebounding rubber for a springy, responsive ride. For medial control, the Brooks Progressive Diagonal Rollbar (PDRB) keeps your body aligned for added stability with every stride. The addiction walker is made with an engineered synthetic upper with a comfort lining.