Babolat Propulse All Court tennis shoes for are engineered to boost the rhythm of your game with long-lasting comfort and energy-return. For more effective shifts in direction, stops and starts, you can depend on the supportive construction, locked-in fit and flexible performance. These shoes are ideal for demanding players in search of high-tech performance that corresponds perfectly to their style of game.Upper: SoftSheild high-performance material and localized reinforcements offer greater durability. Footbelt technology provides extra support around the instep to precisely deliver an extra secure hold and guarantee a truly custom fit. TI-Fit provides strategically positioned support in the heel, instep and forefoot for precise, sure footing and comfortable flexing and bending of the foot.Midsole: Side-2-Side asymmetric, high-rebound EVA Insert adapts to the different foot needs for a more dynamic forefoot. Dynamic Sole provides long-lasting comfort and energy restitution. Ergo-Motion optimized last and multi-layer midsole adapts to the foot's anatomy and dual-density midsole to even out the pressure generated during lateral movement. Kompressor System delivers high-performance shock absorption. Vibrakill delivers extra comfort and shock protection. OrthoLite® memory-shaped insole offers instant comfort that lasts.Outsole: Optimized Cell System2 is an ultra-high performance outsole for all court surfaces that provides better traction thanks to the shape, direction and distribution of the treads – the perfect grip/sliding balance for clay courts and extended durability thanks to a compact, uniform mesh-like tread. Michelin Performance is designed with a specific thickness and rubber make-up.