DISCLAIMER: US and UK sizing is the same and does not require any conversion. The adidas Yeezy Foam RNNR Mineral Blue is made of a Mineral Blue foam that blends EVA with harvested algae. Oval cut-outs throughout the upper add ventilation to finish off the design. The adidas Yeezy Foam RNNR Mineral Blue released in May of 2021 and retailed for $75.