Y-3 is the brainchild of avant-garde Japanese designer, Yohji Yamamoto, and sportswear giant, adidas. Sitting on a shark tooth sole of pastel hues, these Sprint trainers have smooth white leather uppers with silver overlays contouring the heel. House signatures adorn the pair, including the renowned three stripes that meets the Japanese label’s branding on the sidewall.Upper: Leather. Lining: Leather/Poron® Cushioning. Sole: Rubber.