Shaquille O'Neal hand signed size 22 Shaq Attaq Sneaker!! Shaq Hand signed the shoe on the toe in bold black. HUGE size 22 Reebok Shaq Attaq...His real model and size sneaker. Beautiful white blue and black colorway. Fanatics certified, you can verify your Fanatics hologram on their website. Hall of Fame NBA Center Shaquille O'Neal.