There is no size (it has worn away), please see measurements below: 

Length (from bottom of collar): 26"

Bust: 20"

Width at base: 20"

Sleeve inseam: 17"

100% cotton shell + lining

100% polyester filling

Purchased sometime from 2005-2007

This jacket is well-loved (see pictures); the price reflects this. Nonetheless, it is a classic jacket with lots of life left!