Unlined, double-breasted blazer from yohji yamamoto line y's (c. 1990s). Made from lightweight blend of wool and nylon, it has notch lapels (slightly but not hugely unusual for a double-breasted style), a two button front fastening, and twin flap pockets at the waist with an additional breast pocket on the left side.

No marked size (womens)
Check measurements to confirm fit
All measurements taken flat

Shoulder width: 42.5 cm
Width (at underarms): 44 cm
Waist width: 37.5 cm
Length (neck to hem): 68 cm
Sleeve length: 56.5 cm
Hem width: 45 cm

85% wool 15% nylon
Made in japan
Circa 1990s