TYPE MA-1 REAL McCOY MFG. CO. Purchased last winter and worn about 2 or 3 times. It's almost like new, but there are faint stains on the back and the right front. (See photos) Size L Width: 67.5 cm Sleeve length: 66.5 cm Length: 67 cm Shoulder width: 53 cm Spec number J-8279A is the second model of the MA-1. Besides the rounded shape of the wind flap, there are also differences in the sewing specifications. Manufactured for only one year in 1957, and only three companies were commissioned to produce it.