Diadora Speed Competition II AG tennis shoes help you unlock the speed and confidence in your game with reliable stability and comfortable shock absorption. Anatomical EVA foam provides an enhanced fit and feel. An antibacterial treatment on the lining will help maintain fresh performance with a great reduction in odor. Ideal for tennis players on hard ground and clay tennis courts. Upper: Padded tongue and heel collar enhance comfort. Lace-up front provides an adjustable fit. Supreltech microfiber will not absorb water and is resistant to excessive stretching. Dia Shield offers better stability, breathability and comfort. Unitongue design is self-centering for positional stability.Midsole: CCB medial stabilizer helps control torsional stability in lateral displacements, while retaining the shoe's light weight and flexibility. Double Action Plus shock absorbing system eliminates negative vibrations in the heel area. EVA midsole foam absorbs shock and enhances comfort. Outsole: Non-marking outsole. Duratech 5000 wearproof compound enhances durability and exceptional traction.