adidas Y3 Men's Apparel Size Guide adidas® Y-3 by Yohji Yamamoto™ Workwear Long Sleeve Shirt loose fit silhouette. Spread collar. Long sleeves. Button-closure cuffs. Front hand pockets. Straight hem. 70% cotton, 30% 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.