These are On Cloudboom 1 shoes in green/black/white. They are in excellent pre-owned condition. They are a men’s size 10. Breathable soft mesh upper, double CloudTec lightweight Helion super foam midsole, full length carbon infused Speedboard for energy return, rubber outsole with flex grooves and good grip on asphalt. Runs a little narrow with a snug performance fit, so you may want to size up a half size. Designed for distance running that leans more on the firm end.