Experience a run like no other with the Ryka Equation. This women's running sneaker features a synthetic and air mesh upper for comfort and breathability. The textile lining and cushioning Ortholite insole help keep your feet feeling nice and comfortable. The lightweight molded 3D EVA midsole provides plenty of support. This Ryka sneaker also has strategically placed rubber on the outsole for reliable traction. You'll get a run you won't forget with the Ryka Equation.