Adidas is selling shoes made out of the plastic waste we throw in the ocean

For awhile, Adidas and $4, an organization dedicated to reducing plastic waste in oceans, have been collaborating on shoes made out of recycled ocean plastic.

Last year, they 3D-printed a prototype, with the goal of demonstrating how the industry could "rethink design and help stop ocean plastic pollution," $4.

Now they are making actual pairs of shoes available for you to buy. Around 7,000 pairs will be sold at stores and online, starting mid-November.

The shoe has an "upper" made of 95% ocean plastic (scooped up near the Maldives), and the rest of the shoe is made from largely recycled materials as well. It's called "$4."

While only 7,000 are going on sale now, Adidas has big plans for these types of shoes. "We will make one million pairs of shoes using Parley Ocean Plastic in 2017 - and our ultimate ambition is to eliminate virgin plastic from our supply chain," the company said, $4.

Here is what the Adidas and Parley for the Oceans' shoes (and concept ones) look like: