Strong durability and reliable stability describe the performance of Diadora Speed Pro Evo II AG tennis shoes. Tennis players will benefit from improved fit with torsional stability and shock absorption. Update your style with these stellar colors. Ideal for hard court and clay court surfaces.Upper: Supreltech microfiber will not absorb water and is resistant to excessive stretching. Air mesh offers breathable flexibility. Dia Shield offers better stability, breathability and comfort. Unitongue design is self-centering for positional stability. Lace-up front offers an adjustable fit. Midsole: Removable Ortholite® insole is an open cell PU foam that is 95% breathable and keeps the foot cooler inside the shoe. EVA midsole foam absorbs shock and enhances comfort. CCB medial stabilizer controls torsional stability in the area, providing lightness and stability without altering shock absorption. Double Action Plus shock absorbing system eliminates negative vibrations in the heel area.Outsole: Duratech 5000 abrasion-resistant rubber assures higher-wear resistance and traction. Non-making outsole.