The Wilson Men`s Rush Pro 4.5 Oz Tennis Shoe is a worthy update to Wilson's most well-rounded shoe. Version 4.5 introduces a simplified and speedier lacing system, a cooler engineered mesh upper, and added support and protection on the medial side to improve durability. The 4D Support Chassis 2.0 incorporates a split chassis design for propulsion, stability, and control during dynamic movements. Another upgrade to the midsole is Wilson's Energy Cell, an EVA foam in the forefoot for a softer feel and better weight transfer which results in faster acceleration. Sensifeel 2.0 is back again and it keeps the upper breathable and comfortable, thanks to a minimally layered design of the engineered mesh. The new outsole perfectly balances traction with the ability to slide with improved durability.   Wh/Wh/Ato (White/Atomic Blue