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 Ultracush HD PRO, Men's Fashion, Footwear, Sneakers on Carousell
Vans | Shoes | Vans Old Skool Pro Ultracush Hd | Poshmark
Vans UltraCush Pro Size 13, Men's Fashion, Footwear, Sneakers on Carousell
Vans Old Skool UltraCush Black - 47€ | VN0A3MUUV7X | Shooos.be
Vans Ultracush Pro Off The Wall 721356 Low Top Skateboard Brown Canvas Mens Sz 9 | eBay