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
THESE ARE KILLING YOUR FEET! How to remove Vans insoles - YouTube
VANS ULTRACUSH 3D PRO鞋墊絕版謝絕議價, 男裝, 鞋, 波鞋- Carousell