While appearances are extremely important for a man of 007's position and stature, the rigours of his profession demand a more modern footwear solution - especially since Mr. Bond has Q to supply him with all types of high tech gadgets.
With that in mind, it seems Mr. Bond would be a prime candidate for a sneaker that looks like dress shoe. This would allow him to maintain appearances without compromising his physical abilities. After all, we would hate to see Bond bested by a villain in sneakers!