Hall CPO Wool Overshirt - BrownThe Hall CPO Overshirt from Imogene + Willie is inspired by Chief Petty Officers of the US Navy and Coast Guard who traditionally wore a similar style in the 1930s when the shirt jacket was first developed. This heavyweight overshirt is made from English milled wool thats sturdy enough to wear as a piece of outerwear on colder days, albeit still light enough to layer under a warm winter coat. Inspired by CPO shirts from the 1930s English milled wool