JANOSKI STYLE. TOTAL CONTROL. A vulcanized construction gives the Nike SB Stefan Janoski a flexible, broken-in feel. Durable material up top and skate-specific tread on bottom help give you the control and boardfeel you need to learn new tricks and develop your own style. Benefits * Durable upper breaks in easily and helps prevent blowouts. * Vulcanized construction uses heat to fuse the outsole to the upper, giving you a flexible, broken-in feel right out of the box. * Flat rubber outsole helps provide grip and durable traction. Product Details * Leather or fabric in the upper depending on colorway