KNOW YOUR TECH breaks down the scientific technology used in your favorite sneakers and activewear. Let’s demystify your next purchase: today’s technology is Babolat's Kompressor System. This heel cushioning system is designed to protect tennis players on a range of surfaces by absorbing shock.

What is it? The Kompressor System is made up of EVA cushioning and Thermo Plastic Rubber filled tubes inside of the heel midsole area. This innovative combination provides multifaceted cushioning, combining firm EVA with the responsive TPR tubes.

How does it work? While the EVA layer acts delivers firm, cushioned shock absorption, the real heart of the Kompressor System is in its Thermo Plastic Rubber filled tubes. As a player's heel strikes the ground, a compression effect takes place. The energy from impact is absorbed and directed throughout each tube, adding further protection from shock. From there, the Kompressor System adds responsiveness as the TPR tubes regain their original structure and return the energy for an explosive on-court feel.

Notable products: Propulse 4, SFX

Bottom line: The Kompressor System is utilized in models worn by stars like Andy Roddick, so you know it will deliver come match day.

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