Jet Mach II is one of the lightest and smoothest tennis shoes on the market. The entire upper part of the shoe is made in one piece, called MatrYX® 2.0, which is incredibly durable and contributes with stability. Polyamide fibers are woven together with Kevlar and then reinforced with monofilament fibers. This together provides an incredibly durable material that delivers perfect support for the foot, but with the great advantage that the material hardly weighs anything at all. The shoe's damping system consists of KPRS-X Technology. Since the movement pattern in tennis often means that the heel is put in the ground very first, Babolat has moved behind the heel cushion. This means that the heel gets more support at every step and the comfort increases. The undersole is manufactured by Babolat's dedicated partner, Michelin, experts in tire manufacturing and rubber, and it is now further reinforced for better durability. The rubber sole's front is divided into 9 zones which provide faste