With all due respect, what a whiner! If you don't like the quality of the shoes, simply change to Wilson or New Balance - much better shoes than Nike who every serious player knows makes a mediocre shoe.
These Vapors look flashy but they do not look aerodynamic or functional. They only sell because Federer wears them. Pretty sure Fed's Vapors or modified too. Try the NB 1187, helluva shoe.
"It may not be humanly possible for another female to come along who plays better tennis and competes harder than Serena Williams."