Which are the lightest tennis balls?

[rk_sports]

I feel Penn is the heaviest..

[crazy8tiger]

Dunlop Championships have been pretty light for me compared to ProPenn, Penn Championship, and Wilson US Opens.

[Barricade V]

I feel Penn is the heaviest..

I aggre penn feels heavy and not as lively

[siow_a]

Wilson regular duty

[pennc94]

Actually, Gamma Pro Penn have the least mass.

See:

http://www.racquetsportsindustry.com/articles/2007/07/ball_testing.html