Diadora Speed Competition 4 AG Men's Tennis Shoes Dark Blue/Red Capital : The Diadora S. Competition 4 AG tennis shoes have an exciting look thats perfect for speed demons of the tennis court. Supreltech and Mesh upper helps bring confidence to your game with lightweight, reliable stability. Anatomical EVA foam provides an enhanced fit and feel. Antibacterial treatment on the lining helps maintain freshness and greatly reduces odor. Upper: Features a PU micro injection over a breathable Air mesh. Dia Shield offers better stability, breathability and comfort. Padded tongue and heel collar enhance comfort. Lace-up front provides an adjustable fit. Midsole: C.C.B. medial stabilizer helps control torsional stability in lateral displacements, while retaining the shoes 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. Ideal for tennis players on hard ground and clay tennis courts.