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
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Red/White/Blue on Black VANS PRO SKATE “SKATE AND DESTROY CANCER” SLIP-ON SHOES WITH ULTRACUSH INSOLE plus DURACAP — GrindForLife.org