Avid runners that desire maximum cushioning from their running shoes will love the new Mizuno Wave Enigma 6. This edition has an updated upper with the same responsive support system runners have grown to love. Comfort will last mile after mile with this lighter weight, neutral staple. Upper: Dynamotion Fit upper for a more personalized fit. Padded tongue and heel collar enhance comfort. Lace-up front offers an adjustable fit.Midsole: U4iC midsole compound provides high comfort and performance while being extremely lightweight. U4iCX is an evolutionary lightweight midsole that delivers stress-free cushioned rides with high rebounds. Mizuno Wave Technology provides both cushioning and stability that dissipates impact forces away from the foot for a smoother, more cushioned feel on every step. Removable insole.Outsole: Extremely durable rubber that allows for longer wear in high impact areas and provides more traction at the heel strike.