Found a site that sold Vans Ultracush insoles and put them in my Sk8 Hi's. Such a good decision. The difference in thickness is striking. Link in the comments for the website
Vans Eco Theory Collection Combines Environmental Consciousness with Iconic Silhouettes | Vans Malaysia - Latest News - Vans Hong Kong Official Site
Vans PRO Ultracush Comfycush Insoles Replacement - YouTube