The shoes are available today, but they won't be around for long. The G-Mac Special Edition are available in a limited run of only 284 pairs, McDowell's winning score at Pebble Beach in 2010.
When McDowell won the U.S. Open at Pebble Beach he became the first Northern Irishman to accomplish the feat, and the first European U.S. Open winner since Tony Jacklin in 1970.