Sizing:Standard running shoe lengthHeel: MediumMidfoot: Medium to low volumeForefoot: Medium to narrowToebox Height: Medium to lowArch Structure: MediumShoe Shape: Semi-Curved Premium comfort and exceptional cushioningkeepsthe ASICS Gel Nimbus 19 atop thebest sellinglist for ASICS, continuing its tradition of success. The soft cushioning and plush feelholdsup on long or short runs and partners well for recovery runs.