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. Style: 525104; Color: Olive Flak/Sail/Black; Size: 4Y; Gender: Unisex; Age Group: Toddler | Nike SB Stefan Janoski Big Kids' Skate Shoes in Brown, Size: 4Y | 525104-310