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 Slide – Splinters Boardshop
Vans Authentic PRO True White Ultracush Shoes Footwear Size 10 Vans Ultracush Pro Tru White Vans Off The Wall Vans Skateboard Shoes Chuck Taylor . for Sale in Downey, CA - OfferUp
Vans UA 44 DX low-top Sneakers - Farfetch
Replacement Vans PRO Ultracush Insoles GK-1801
Vans Old Skool UltraCush Lite 'Black' VN0A2Z5W186 - KICKS CREW