Unique "Sample" Stella McCartney Adidas Collab Nylon Jacket Windbreaker 36 US 6

Unique "Sample" Stella McCartney Adidas Collab Nylon Jacket Windbreaker Size EU 36 US 6. Double YKK zip, adjustable drawstring back, 2 zippered pockets, elastic wrist. Good overall condition, has a very small hole on the back yoke (see pic). I'm not sure if this was ever made into production. Sample tag dated 2013.