Supra Stacks Vulc II Shoes Grey Gum New for 2015 Supra have expanded their line of Terry Kennedys signature shoes the Stacks Vulc II with this grey & gum colour way. The uppers of the shoe are constructed from textile with a suede toe area to minimize damage from your board. The sole is made from vulcanized gum & features sidewalls. Other features of the shoe include tongue & side branding in the way of embroidered patches, rubber Supra tab to the rear of the heel & flat laces. Vulcanized sole Supra branding to tongue & side Flat laces Textile & suede uppers Description by Adam.