Y's by Yohji Yamamoto Women's Apparel Size Chart The Y's by Yohji Yamamoto™ showcases a ribbed crew neckline, short sleeves with hole cutouts, and high-low hemline. Allover ribbed knit design. 100% wool. Spot clean only. Made in Japan. 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.