adidas Y3 Men's Apparel Size Guide adidas® Y-3 by Yohji Yamamoto™ signature 3-Stripes on left leg. Button front with zip-fly closure. Belt loop waist. Loose fit silhouette. Side hand pockets. Back patch pockets. Tie at waist. 100% polyester. Machine washable. 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.