x Concepts Dunk Hi Pro SB "Stained Glass - Special Box" sneakers Looking to stand out from the crowd? Designed as a part of the Holy Grail Pack, these Concepts x Nike Dunk Hi Pro SB sneakers are sure to have all eyes on you. The stained-glass graphic adds a bold touch to this silhouette. Imported Composition Outer: Patent Leather 100%, Acrylic 100% Lining: Polyester 100% Sole: Rubber 100%