![Jeff Morris Jr. on X: ""Nike Metcon 4 XD X Whiteboard" will take over Silicon Valley. A whiteboard on your feet that let's you write on your shoes with a dry erase Jeff Morris Jr. on X: ""Nike Metcon 4 XD X Whiteboard" will take over Silicon Valley. A whiteboard on your feet that let's you write on your shoes with a dry erase](https://pbs.twimg.com/media/D4yuYBqXoAMiG5v.jpg)
Jeff Morris Jr. on X: ""Nike Metcon 4 XD X Whiteboard" will take over Silicon Valley. A whiteboard on your feet that let's you write on your shoes with a dry erase
![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" / 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" /](https://pbs.twimg.com/media/D07kp0OX4AIKfFX.jpg)
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" /
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