The Supra Skytop contains added heel protection shaped into a comfy polyurethane insole. The outsole is made up of vulcanized gum rubber. A SupraFoam full length midsole makes this sneaker undoubtedly skate-ready. It is also equipped with a neoprene toe cap and vamp for toe protection. Vulcanized gum rubber outsole. Extra heel protection molded into comfortable high memory polyurethane insole. Full-length midsole with SupraFoam providing entire foot impact resistance, optimal shoe flex and board feel.