Nylon trench style rain coat by Raincheetahs. Double breast button front. Shoulder epaulets w buttons. Straps with buttons on sleeves. Two front pockets that button. Back slit has three buttons. Missing belt. Great vintage condition. 
Measurements: 
Bust 36”
Shoulder 17”
Sleeve 22.5”
Waist 38”
Hips 48”
Length 44”