A Puffy 90s Mid-Top Inspired by the Past, but Built for Today A pumped up interpretation of our 90s-inspired Knu Skool, the Knu Mid takes this dramatic style and pushes it even further. Defined by its puffy tongue, 3D-molded Sidestripe, and the oversized logo embossed at the back collar, this in-your-face mid-top shoe plays off of the exaggerated Knu School while blending an icon of the past with today’s trends.