I cannot find a brand name.....

Vintage Western Duster Riding Coat with Zip out liner. Size Large. It is a greenish color with a brown leather collar and red zip out liner. Full front button. The bottom 13.5 in of the coat zip off.  Thre is a split at center hem with a snap closure. Very nice condition. Smokefree/Petfree Home

Measurements: Laying Flat

Underarm to Underarm.....28 in.  (56 in. chest)

Length from center back at neck to hem:

 38 in. to zip off

51.5 in. full length

Sleeve Lengrth:  27 in.