Nike Metcon 4 XD Chalkboard Training Black Sneakers Women's Size US 8 BV2052-002 | eBay
Nike Men's Metcon 4 XD X Whiteboard Training Shoe, Size 13
Jeff Morris Jr. on Twitter: ""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