adidas Y-3 by Yohji Yamamoto Size Chart adidas® Y-3 by Yohji Yamamoto™ leather and synthetic upper sneaker. Lace-up closure. Round, closed toe silhouette. Padded tongue and collar. Leather and textile lining. Leather and textile insole. Exaggerated synthetic outsole. Imported. This item may ship with an attached security tag. Merchandise returned without the original security tag attached or a damaged tag may not qualify for a refund.