The Babolat Men’s JET Mach II Clay 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.