adidas Y-3 by Yohji Yamamoto Size Chart Leather upper adidas ® Y-3 by Yohji Yamamoto™ sneakers. Lace-up closure. Round-toe silhouette. Padded collar. Leather and textile lining. Leather and textile insole. 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. Weight of footwear is based on a single item, not a pair.