For ladies hitting the gym and the street for their daily routine, the Ryka Indigo is the perfect shoe. A highly breathable mesh upper with seamless 3D printed support system provides a secure yet comfortable fit. Upper: Breathable mesh provides cool flexibility. Padded heel collar enhances comfort. No-sew overlays offer lightweight support. Independent lacing system allows for a custom fit and lateral support.Midsole: RE-ZORB® sockliner delivers impact protection and shock absorption. N-Gage high rebound foam at the heel and forefoot.Outsole: Rubber ergonomic outsole. Reflective heel for enhanced visibility.