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
Skate Shoe Technologies - Wiki | skatedeluxe Blog
Ultracush Hd Norway, SAVE 49% - piv-phuket.com
Vans Pro Skate Ultracush Insole, Gray Top While Sole Laces Sz 8 | eBay
Red/White/Blue on Black VANS PRO SKATE “SKATE AND DESTROY CANCER” SLIP-ON SHOES WITH ULTRACUSH INSOLE plus DURACAP — GrindForLife.org
Never realized that the ultracush insole was so thick : r/Vans