adidas Y-3 by Yohji Yamamoto Size Chart Six-panel adidas® Y-3 by Yohji Yamamoto™ cap with distressed details and back adjustable toggle strap. Flexible curved bill. 100% polyamide. Spot clean only. 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.