Viral 'Dreams' Skateboarder Becomes Popular Halloween Costume

Nathan Apodaca -- the Fleetwood Mac "Dreams" skateboarder -- is looking to ride the good vibes to another big payday ... he's turning his viral moment into a Halloween costume!!!

Sources with direct knowledge tell TMZ ... Nathan will be hawking a costume of himself and it's going up for sale Tuesday night on his website.

We're told the getup includes a gray hoodie that says "Steady Vibin'," black shorts, a pair of knee-high white socks, a mustache and a temporary feather tattoo. We're told they'll retail for $87.99.

People who want to fulfill their dreams and go full Nathan can add a little more to the look ... our sources say the costume will also include an option for an Ocean Spray coupon, with a link to Walmart that comes with a discount code for Nathan's favorite drink.

But wait, there's more ... we're told there's a second add-on for a skateboard.