Adidas Originals Y-3 Yohji Yamamoto Mens Black Track Jacket from December 2004.  Y-3 hit on the front left.  Unlined.  Ribbed stretch waist band, cuffs and collar.  Side slit pockets.  Zips from the bottom and the top.

Size: Medium Mens

Measurements laid flat:

Shoulder width: 19”

Pit to pit: 21”

Back length: 26.5”

Sleeve length: 27”

Condition:  Stain on cuff but otherwise in good pre-owned vintage condition.  See final close-up photo.