J.Jill Stretch Denim Embroidered Stretch Coat. Tan.  Medium.   
98% Cotton, 2% Spandex.
This is a very cute original vintage style.  
After much searching, it was determined this is a very rare wardrobe piece! 

Sleeves  24"
Length  33"
Armpit to Armpit  21"
Collar to Shoulder Seam  5"

Please see photos.
Thanks for looking. 
Cleaned per manufacturers instructions