probably just for design or to see it better
fOr the grip.
stripes
1975
The referee at a football game wears black and white stripes to stand out.
You could find these black fading to blue Adidas football boot with white stripes on the Adidas website. You may be able to find them at a store by your location as well.
new york giants
American Football referees
Collingwood in the Australian Football League wear a guernsey with black and white vertical stripes.
Blue, with thin white stripes horizontally around the stomach.
They are white in black stripes.
Black and white stripes ...but is it black with white stripes, or white with black stripes???
The stripes make the ball easier to pick up in flight therefore easier to catch. This is the reason the NFL does not have stripes making it more difficult for the professionals to catch the ball.