Kinetic Fit System (KFS), a unique three panel upper construction that allows the Reebok Premier Road Plus KFS running shoe to move in harmony with the foot's natural anatomical needs for a perfect fit and ride. EVA lasting offers enhanced comfort and added cushioning. 3M Scotchlite materials give night running safety. Removable sockliner accommodates orthotics. Play Dry™ lining provides moisture management. CMEVA midsole delivers stability and cushioning. Transition Bridge aids in the heel-to-toe transition. Dual-density medial post gives stability. DMX® Foam cushioning. DMPRTEK rubber outsole adds cushioning, traction and durability. Wt. 12.4 oz.