Synthetic and mesh upper features a Biomorphic Fit® for out-of-the-box comfort, while the Solyte® midsole lends extra cushioning. Working in conjunction with the Trusstic System®, the Impact Guidance System (I.G.S.®) enhances an efficient, natural stride. Provides exceptional stability with Guidance Line™, a wider mid-foot base and the DuoMax® Support System. I.G.S.® for gait enhancement, ComforDry™ sock liner for superior fit. Traction rubber sole. Imported.