A Puffy 90s Style with a Chunky Platform Outsole The Knu Stack starts with our modern interpretation of a classic 90s silhouette-and then cranks it up a notch. With double the height, a puffed up tongue, and a 3D-molded Sidestripe, this in-your-face shoe boasts dramatic style details that blend an icon of the past with todays bold trends. Reissued 90s low-top shoe 34 mm platform height Sturdy suede uppers Puffy tongue and ankle collar Puffy 3D molded Sidestripe Oversized chunky laces Signature rubber waffle outsoles Size 7 VANS Knu Stack Shoes (skater Gray) Women Grey, Size 7 Grey female Women, Shoes, Low-Top adult.