adidas Y3 Men's Apparel Size Guide Six-panel adidas® Y-3 by Yohji Yamamoto™ cap. Bendable bill. Tonal brand logo at the front. Adjustable back strap. 60% cotton, 40% polyester. Hand wash. 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.