Change colors in the sun. The UV Ink is heat-sensitive, meaning that when exposed to UV rays, it reveals hidden hues and patterns on the shoe's exterior (in this case, groovy peace signs). Featured on a stacked Old Skool that takes the classic Vans silhouette to an elevated level. Made with sturdy canvas and suede uppers and padded collars for support and flexibility, the Pastel Old Skool Stacked also includes oversized features and layers like platform bumpers, exaggerated outsoles, and translucent foxing tap