Puma GV Special NBKThe Puma GV Special was named after legendary Argentine tennis player Guillermo Vilas (GV). Vilas was the first South American male player to win a Grand Slam event, and was also constantly recognized for his unique sense of style. The Puma GV Special features an ultra thick outsole, a breathable plush leather upper, ventilated side panels, cushioned footbed, and a timeless design.