The Pro Endur Distance Shoe Brings A New Level Of Responsiveness To Serious Runners. The Full Px Foam™ Midsole Is Designed To Optimum Stack Height For Explosive Toe Off And Feather Soft Landing For Efficient Stride. Every Contour Of This Platform Was Carefully Considered To Provide Maximum Energy At Varying Speeds. The Fully Engineered One-Piece Mesh Upper Works In Unison With The Foot To Provide Comfort And Support With Every Nimble Step. This Shoe Shines With Vibrant Performance And Simplicity In Design.