Knu Skool Suede ShoeVans Knu Skool Suede Shoe In With The Knu. 90s inspired take on the Old Skool with a puffy tongue, 3D SideStripe and chunky laces. The Knu Skool is a modern interpretation of a classic 90s style, defined by its puffed up tongue and 3D molded Sidestripe, and tied off with oversized, chunky laces. With its in your face profile and dramatic style details, the Knu Skool plays off of the original Old Skool while blending an icon of the past with todays