The Shadow, a revolutionary high-tech cushioning running shoe with a transparent upper material for a lighter look includes a hollowed sole structure, uniting the sport leader’s most pioneering running cushioning concepts: the Jiang and BOOM Technology. Sandwiched between these layers of foam, the High-Performance Running Shoe features the inclusion of two carbon plates - one for each level of the model’s eye-catching, dual-stacked sole for bringing out the best performance possible.