Long sleeve shirt by comme des garcons homme homme (SS2001). Made from black polyester fabric, has relatively conventional shirting details (point collar, long sleeves with button cuffs, single chest pocket) apart from strip of translucent red/burgundy PVC sewn over the front placket.

No marked size, should fit approx AU mens S-M
Check measurements to confirm fit
All measurements taken flat

Shoulder width: 43 cm
Width (at underarms): 52.5 cm
Length (neck to hem): 79 cm
Sleeve length: 62 cm
Hem width: 55.5 cm

100% polyester, with PVC placket
Made in japan
SS2001