JET MACH II REPRESENTS ONE OF THE LIGHTEST AND MOST SUPPORTIVE TENNIS SHOES ON THE MARKET, OFFERING A UNIQUELY LIGHTWEIGHT FEEL DURING PLAY. IT GETS LIGHTER, YOU GET FASTER. The Babolat Men's JET Mach II all court tennis shoe represents one of the lightest and most supportive tennis shoes on the market, offering a uniquely lightweight feel during play. It gets lighter, you get faster. FOOT SUPPORT: MATRYX 2.0® with “Stability Arch” system: With Matryx® textile developments (zone-woven ultra-durable Kevlar and polyamide fibers), the Matryx 2.0® fabric that forms the Jet Mach II upper has been reinforced with 4 rigid fiber straps, making up the “Stability Arch” system, resulting in even more stability and support. CUSHIONING: KPRS-X is a new shock absorption system. In tennis, players feet hit the ground at a specific angle, so Babolat has developed a heel cushioning system to match the specificity of the game. An EVA pad made of high quality foam with a specific shape and placement to better protect the heel and foot. DURABILITY: This year, Michelin and Babolat offer a new compound on the Mach II to improve abrasion resistance and increase traction. Active Flexion: (technology developed and patented by Babolat) The shape and makeup of materials address 9 key pressure points for maximum responsiveness.