Mizuno Watley 9 Spike Softball Shoe Womens Cushioning Technology: VS-1--VS-1 absorbs shock and enhances cushioning properties by resisting compression-set, thus extending the cushioning life of the shoe. Outsole: 9 Spike--9 Spike technology enhances lateral stability and traction Midsole Material: Mizuno Wave--A biomechanically engineered midsole technology that resists overpronation and minimizes excessive midsole collapse as the foot lands and rolls medially providing superior motion control. Spike Material: Interchangeable Cleats--Interchangeable cleats offer the option of steel or TPU cleats for versatility. Model Number: 320230-5273