J23 iPhone App on X: "Nike Metcon 4 XD x Whiteboard lets you write on the heel and wipe it away when you're ready to switch it up Link -> https://t.co/RTPI4UvbgY https://t.co/88KC3L5Q5Z" /
Metcon 4 XD Chalkboard & Whiteboard | NIKE METCON 4 XD CHALKBOARD & WHITEBOARD Sign up here to get access to this exclusive release - https://bit.ly/2CJQDf6 Launches 21.02 at WIT. Track...