I have new pair of Men’s Nike Short Racers with all tags attached. Colours is blue with black and white trim/highlights. The Nike product code is 664228-413. They were US30 new.

From the manufacturer:
For cool and airy runs, choose the Nike Racer 2" shorts in black and neon yellow for men (Fall/Winter Collection).
Their Dri-FIT fabric wicks away sweat quickly to keep you dry during your run. Mesh inserts enhance airflow for improved breathability.
The built-in briefs in the Nike Racer 2" shorts provide comfortable support. The drawstring ensures a secure fit throughout your run. An internal pocket offers storage for small items.
Advantages:
Dri-FIT: wicks away sweat
Mesh inserts: breathability
Built-in brief: comfort
Drawstring: adjustable fit
Inner pocket
Inseam: 5cm