Velvet skirt by comme des garcons (1998), made from sheeny-shiny black rayon (no surprise given it's velvet). Skirt has elastic waist, welt pockets at the side, and back vent to allow movement.

No marked size
Check measurements to confirm fit
All measurements taken flat

Waist (circumference):
 66-76 cm
Hip width:
 45.5 cm
Length: 87.5
Hem width: 46 cm

100% rayon
Made in japan
1998