Sizing: Fits large; purchase 1/2 size smaller than standard running shoe lengthHeel: MediumMidfoot: Medium volumeForefoot: MediumToe-Box Height: MediumArch Structure: Medium to highShoe Shape: Semi-Curved The ON Cloudflyer is On Running's most cushioned shoe. It uses advanced engineering to deliver a premium running experience. Designed for daily use and a neutral or supinated foot motion.