The Bluestar A3 is avaible with sponge hardness of  47,5°. The technology that makes the small-pored sponge of the BLUESTAR so special is, of course, also used with these versions: Optimised Energy Sponge (OPTE) sets standards in terms of elasticity and shock absorbing level.
Development, production and processing of the BlueStar meet the highest requirements, which is why this is the epitome of the rubbers. Now also available with slightly softer sponge hardness, which is ideal for most advanced players that play up to professional level.

Technology: OPTE sponge technology, extremely catapult-strong, dynamic, fine-pored 47,5° sponge.
Character: Dynamic, perfect balance between speed, spin and control
Recommendation: For aggressive allround and offensive players
Sponge thickness: 2.0/max