The YZY FOAM RNR Stone Sage features injected EVA foam to provide lightweight durability. This model is made using algae harvesting technology that helps keep lakes clean. The soft top layer in the footbed offers immediate step-in comfort. The strategically mapped vents around the foot provide air flow and breathability. This article explores a multi-color affect that creates a unique one-of-a-kind color blocking for every pair. Additionally, the YZY FOAM RNR will usher in a new box construction that requires less material, which leads to less cardboard material waste.