Babolat Jet Mach 3 Junior Jade Lime The Babolat Jet Mach 3 Junior provides speed and agility for future champions. The redesigned outsole and upper help improve comfort on the court. For young players looking to take a leap in their tennis journey, the Babolat Jet Mach 3 Junior is a strong first step. Shoe Technology Upper: Reinforced fabric strikes a balance between comfort, support and durability. Midsole: KPRSX system provides optimal cushioning at each stage of the game. Shock-absorbing EVA foam pad offers heel support. Heel rocker enhances foot motion for better transitions during sudden stops and starts. Outsole: Reengineered sole increases surface and thickness and pressure points for less abrasion. Michelin Intermediate DIN35 technology extends durability and offers less wear and tear from specific movements.