Prince - MV4 Maximum Ventilation (White/Silver) - Women's: The MV4 Maximum Ventilation from Prince features a four-piece midsole with Precision Tube Technology . M Series performance tennis shoes allow you to select a specific performance characteristic. AirMesh panels for maximum ventilation and medium density Precision Tube Technology(tm) for balanced performance. Skeletal stabilizer provides lateral stability. Dual density EVA midsole provides optimum cushioning and support. Precision Tube Technology provides medium density, responsive cushioning and shock absorption. Duraskin II provides abrasion protection in toe area. TPU shank provides torsional stability. Goodyear max outsole provides ultimate traction and durability.