adidas Y3 Men's Apparel Size Guide Relaxed fit adidas® Y-3 by Yohji Yamamoto™ pants. Elastic waist with drawstrings. Front zip-fly and button closure. Belt loops. Side hand pockets. Rear welt pockets with snap closures. 100% polyester. Machine wash, line dry. 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.