Why are tennis balls fuzzy?

Fuzz on a tennis ball isn’t for fun. It’s functional. 

• Tennis balls are made of bouncy rubber, and the felt covering helps make them softer, slow their speed in the air, and regulate their bounce. 
• As importantly, it gives the tennis ball a lot of surface for spin, which is a key part of the game. 

In tandem, these help make tennis easier to play than if you just hit around a handball.

Asked in : Xerox