The Nike Air Zoom Vapor Cage 4 is Nike's newest flagship tennis sneaker, endorsed by Rafael Nadal. It takes features from its predecessor, the Nike Zoom Cage 3, as well as the Nike Zoom Vapor line for a hybrid feel.
The shoes are supportive and durable, and also boast a 6-month outsole durability warranty. There is extra padding and rubber reenforcement in areas of high-wear, and the laces are shielded on the interior side of the shoe which prevents laces from breaking upon sliding.
However, this ample support and durability comes makes for a fairly bulky shoe, coming in at over 15 ounces.
These shoes run long and it is recommended to size down half a size.