Puma Evoknit 1/4 Zip Sweaters: Puma present from their new autumn/winter collection 2017 the Evoknit ¼ Zip Sweaters, Sweaters that feature Pumas Warmcell & EVOknit technology. Two Technologies that produce & increase warmth levels & guarantee that the wearer will be kept comfortable & at a constant temperature when out in the extremely cold weather.