1906XThe 1906X is led by a sole unit featuring a combination of flexible ACTEVA LITE cushioning, shock absorbing N ergy, and segmented ABZORB SBS pods at the heel. This hi tech approach is also reflected in the 1906Xs upper design, which features open holed mesh and a series of curvilinear synthetic overlays. This distinctive take on the eras design conventions offers a refined execution of high performance heritage. Lace up closure with slide adjuster