adidas Y-3 by Yohji Yamamoto Size Chart adidas® Y-3 by Yohji Yamamoto™ leather and synthetic upper. Lace-up closure. Round, closed toe silhouette. Perforated toe. Extended tongue. Branding on heel. Leather and textile lining. Removable leather 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.