Sizing: Fits large; purchase 1/2 size smaller than standard running shoe lengthHeel: MediumMidfoot: Medium to low volumeForefoot: MediumToe-Box Height: MediumArch Structure: MediumShoe Shape: Curved The Skechers GOMeb Speed 4 is a responsive road racing flat. It excels in 10k to half marathon racing but has versatility to go up or down in distance.