You're probably looking for something like a green Mao suit. Since military-ish fashion has been in style for a while, try looking around for something similar and make the proper alterations.
My username is an incredibly stupid pun that only I will get.
Currently working on:
Momoko Koigakubo -- Ghost Stories (Dub)
Scarlett O'Hara Drapery Dress -- Gone With the Wind
Deandra -- MPGiS
Anna Cornonation Dress -- Frozen
Vader Eloha/The Queen -- OFF
Princess Suwa -- Mascot of the city of Suwa, Japan
My favorite cosplays:
Brittnay Matthews -- MPGiS
Mom Lalonde -- Homestuck
Princess Kenny -- South Park