adidas Y3 Men's Apparel Size Guide Fabricated adidas® Y-3 by Yohji Yamamoto™ belt with cinch buckle and printed logo at the end. Adjustable length. 70% polyester, 30% nylon. Spot clean. 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.