 This uniform consisted of a federal dark blue 4 button sack coat, dark blue chasseur trousers, tan gaiters, and a maroon zouave fez with a light blue tassle.The 4th Michigan Infantry was organized at Adrian, Michigan and mustered into Federal service for a three-year enlistment on June 20, 1861.The regiment's first lieutenant colonel was a future prominent politician and civil engineer, William Ward Duffield.