Derek Lam 10 Crosby plaid jacket with optional buckle belt. Patch front pocket at bust and drop sleeves. Fold-over collar and hidden-button placket. Lined long sleeves.
Fabric: Tweed.
60% wool/, 15% polyamide, 15% viscose, 10% rayon.

In excellent condition, never worn. 

Size 8-10 

Measurement:

bust: 103cm/40.5"

length: 38.5cm/15.25"

sleeve: 32.5cm/12.75"