adidas Busenitz Vulc (Solid Grey/Core Black/Gold Metallic) Men's Skate Shoes-10 Leather, Suede Vulcanized sole Vulcanized Outsole - Grippy rubber sole with cured rubber Vulc wrap around outsole. Vector Traction - Vector traction for multi-directional grip and board control. Heel Counter - External heel support provides additional foot stability. Pivot Point - Collapsible & retractable heel pivot point. Recessed Eyelets - Recessed eyelets for reduced lace abrasion. Molded Sockliner - Soft foam insert for added impact protection and comfort.