Puma | CELL ALIEN KARLDuring the 1990s, PUMA introduced the first iteration of its CELL technology. Innovated with the structural integrity of a hexagon in mind, it provided a shoe with stable cushioning one that could support stronger, more dynamic movement. In 1998, the CELL Alien was released. With a Cell bubble packed heel for extra cushioning, this shoe was designed for high mileage. Today, the CELL Alien is back, with a chunky, retro chic silhouette. Key Features:
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