Sleek criss-cross straps wrap the vamp, giving the Naturalizer Okira Pump an ultra-posh look. The N5 Contour Technology of this pump comes with a built-in heel cup that offers superior support. The pump has latex foam cushioning that distributes pressure and relieves shock. In addition, the breathable lining keeps the interior cool and dry. N5 Contour Technology Fabric lining Man-made outsole and built-in heel cup Contoured insole board.