Ryka - Radiant II (White/Dove/Ash) - Women's: A sleek, lightweight walking shoe with enhanced medial guidance control and personal fit sockliner system. Synthetic and mesh performance upper for lightweight, breathable, supportive comfort. Heel and forefoot Elemental Technology System (E.T.S.) Cushioning Cartridge for premium cushioning with shock absorption and rebound. External midsole RIF at heel strike. Guidance control midfoot TPU shank for midfoot motion control. Dual-Density medial posting. RYK is proud to be a National Sponsor for the Avon Walk for Breast Cancer. RYK's involvement in this important crusade supports its continued commitment of giving back to the woman's community.