The only retailer I can find that even list them is Nordstrom.
These look like a pretty sick release just wish I could find more info

Nordstrom

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The next Off-White x Nike Air Vapormax Flyknit is scheduled to release on March 30th, 2018. Sticking with the retail price of $250, the new black colorway will release via Nike SNKRS and select Swoosh retailers. Check out the official images below for a closer look, and stay tuned to JustFreshKicks for our list of release links.

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Virgil Abloh's newest Nike collaboration is the latest version of the black OFF WHITE x Vapormax. Utilizing a very similar aesthetic to the first pair, the only major difference comes by way of a black Swoosh, as opposed to the white one that was featured as part of "The Ten" collection. Virgil and Nike know that they have struck absolute gold with their deconstructed collaborations, and have shown absolutely no signs of slowing down due to an overwhelming consumer demand - although his new role with Louis Vuitton could possibly affect future projects with Nike. Pairs of this black OFF WHITE x Nike Vapormax are scheduled to arrive at select retailers like CNCPTS on March 30th with a retail price of $250 USD.

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That's all of the relevant info I can find right now, I'm team Adidas so maybe there's more info out there.
But hopefully some of that was helpful to you.
Best of luck copping if that's your thing.

Pretty sure saw something about dsm eflash having then