Made for runners: the Porsche Design NITRO® Runner II embodies forward momentum at the top of your game. The innovative NITRO FOAM® in the sole provides excellent responsiveness and perfectly soft cushioning. To ensure maximum support during tough running sessions, the technical mesh has been reinforced with bonded elements and original carbon-fiber compound has been incorporated into the heel area for support. Design meets function: a characteristic Porsche Design element. Stability, cushioning, and style: No running shoe offers better performance. Tip: For the ultimate active look, pair these shoes with the Active Jacket, Active Tee, und Active Shorts.