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The Micro X is the world’s most advanced 'hybrid' ball. It isn't pressurized, but it isn't a solid-core pressureless ball either. Using 700 million micro-cells, it provides a consistent bounce that literally never dies—you only replace it when the felt goes bald. In 2026, it remains the top choice for players in high-altitude regions or cold climates where standard pressurized balls lose their bounce in minutes.

TRETORN
pressureless (microcell)
9.1/10⭐ 4.8/5
slow-medium
10/10
The gold standard for pressureless balls. Perfect for ball machines and high-altitude play. The microcell technology provides exceptional durability.
Ball machine owners swear by these. They last forever but feel heavier than pressurized balls.
medium
high
firm-heavy
n/a (permanent)
medium-low
The Micro X uses 700 million micro-cells in its core, creating a consistent bounce that literally never dies. You only replace it when the felt goes bald, not when it loses pressure.
It isn't pressurized like standard balls, but it also isn't a solid-core pressureless ball. The micro-cell technology provides permanent bounce without needing a pressurized can.
Yes, it's the top choice for players in high-altitude regions or cold climates where standard pressurized balls lose their bounce in minutes. The micro-cell core maintains consistency regardless of conditions.
The felt is extremely durable (30+ hours of play), and the core will outlast the felt every time, making it perfect for ball machines and high-volume training.