InfinityRN 4 Shoe Size:9 this revolutionized running shoe features

this revolutionized running shoe features PWRRUN PB - our signature foam that packs in more cushioning and energy return than ever

3D Fit contours to calf area to provide compression and support

Engineered air mesh upper provides comfort and breathability with 3D Fit Print for added structure

Evolyte® carbon fibre stabiliser cap

Contoured footbed for legendary BIRKENSTOCK support

InfinityRN 4 Shoe Size:9 this revolutionized running shoe featuresWith supportive cushioning built for a smooth run, the InfinityRN 4 helps you hit the ground running. Made with soft, comfortable Nike ReactX foam and updated with Nike Running's best fitting Flyknit yet, this road runner helps you take off anytime, anywhere. Its the kind of shoe that can grant you that priceless peace of mind to go faster and farther, thanks to high foam stacks and an intuitive design that supports every stride. Cushioning: Super