The GCB Walk 2 from Ryka features a fresh upper pattern on a lightweight walking shoe with enhanced medial guidance control. A synthetic and mesh upper for lightweight breathable support. Asymmetrical shank and medial posting system for midfoot supoort and motion contro. Guidance control bar for arch support and motion control. Rearfoot cushioning cartridge for durable cushioning-rebound and shock absorption and removable molded nitracel sockliner for added comfort.