Yohji Yamamoto..Ground Y...Made in Japan..Cotton Jersey Zipper Detail Long Sleeve T shirt.  This is of a 100% Cotton with Two way zipper.  This as can see is very Oversized.  The condition is Excellent.  The size a 3.  The measurements are bust 48 around, waist is a free size, hips are 52 around, and the length is 36.  This is Authentic!