Rundholz Mainline dual fabric black T-shirt.  The front is made of very soft, unlined black leather with a raw, asymmetric hem.  The back and sleeves are made of stretchy, raw-edged cotton jersey.  The front is a little longer than the back due to its asymmetry. (NB: Please note that due to its composition it must have specialist cleaning - I used a dry cleaner which dealt with leather garments).  

It is a size Medium, which is equivalent to a UK size 12.  There is generous stretch in the cotton jersey fabric.  Measurements (taken when top is on hanger, unstretched) are:

Length (front, measured from scoop neckline to bottom of longest section of hem): 59.5 cm / 23.2 inches

Length (back, measured from top of neck to bottom of hem): 61 cm / 24 inches

Sleeve length (measured from shoulder seam to edge of sleeve): 15 cm / 5 & 7/8 inches

Bottom hem opening (measured straight across front): 44 cm / 17 & 2/8 inches

Bought from Palette London boutique 8 or 9 years ago and worn once.  Unfortunately I had no other occasion to wear the top and then got too large for it, hence this sale.  It has been stored carefully and is in superb condition.  I've never seen this T-shirt on sale at any other Rundholz stockist (nor on E-Bay!) so it seems to be rare.  For UK buyers will be sent by Royal Mail 2nd Class Signed For delivery .

Thank you for looking!