adidas Adizero Ubersonic 4 Men's Tennis Shoe (Red) Size (US):9.5 Billie Jean King’s Eye Coach

Billie Jean King’s Eye Coach is a revolutionary ball feeding system that eliminates the distraction of the ball flying over the net which instinctively retrains your eye to increase the percentage of balls that hit the Sweet Spot

At the same time the low friction coating makes sure that the strings re-align after every shot for high spin potential

er playing string vs

The new Head Revolt Evo 2

Stand out on the court with a pop of color

adidas Adizero Ubersonic 4 Men's Tennis Shoe (Red) Size (US):9.5 Billie Jean King’s Eye CoachThe adidas Adizero Ubersonic 4 tennis shoe gets updated for more speed with the same lightweight design you expect from the series. Featuring a 360 knit mesh upper, the Ubersonic 4 hugs and forms to your foot without causing any restrictions to your movement. The knit upper is also very breathable, letting your feet breath on hot days in the sun. Internal reinforcements provide stability for side to side movements so you can move quickly and