Yohji Yamamoto Men's Outerwear. SKU - HS-J29-101-01. Yohji Yamamoto Men's Check Box Raglan Sleeve Jacket. This raglan sleeve jacket features a striking square check pattern and is crafted from a material that blends the firmness and softness of wool with the drape of rayon. The design is enhanced by the contrasting levels on the left and right sides of the body. Wool 55% Viscose 45%. Made in Japan.