Peacoat is not authorized for officers. It is for E-6 and below.
The reefer is similar to the peacoat but has the gold office buttons and two loops on each shoulder for hard shoulder boards. Here are the appropriate sections form the Uniform Regulations:
Bridgecoat:
39. OVERCOAT, BLUE
a. Description
(1) Men Officers/CPOs. A double‑breasted coat made of blue woolen fabric. May be water repellent treated and fitted with removable sleeveless liner. Extends one‑third the distance from kneecap to ground, shaped at waist, held by a two section half‑belt at back with the end of the belt overlapped and fastened with two 40‑line Navy eagle, gilt buttons. There is a sword slit over left hip, a vertical slash side pocket on each front, and a single row of five 40‑line Navy eagle, gilt buttons down each forefront. The collar is made so that the coat may be buttoned to the neck. There are two loops on each shoulder for hard shoulder boards. Required buttons are described in <article 5403>.
(2) Women Officers/CPOs. A double‑breasted, water repellent coat made of dark blue napped woolen or worsted fabric, and may be fitted with a removable sleeve*less liner. The overcoat has a single row of four 40 line Navy eagle, gilt buttons on each forefront. A strap on each shoulder is fastened at inner end by a 24 line black plastic button. Required buttons are described in <article 5403>.
b. Ownership Markings. On designated nameplate; and inside left front panel.
Peacoat/Reefer:
41. PEACOAT (E6 and Below)
a. Description
(1) Men. A double‑breasted, hip length coat made of dark blue authorized fabric with a convertible collar, a set‑in pocket in each forefront, and a single row of four 35‑line black plastic anchor buttons down the right front and three on left. Men's peacoat buttons to the right. For insignia see <article 4221>.
(2) Women. A double‑breasted, hip length coat made of dark blue authorized fabric with a convertible collar, shoulder epaulets, a set‑in pocket in each fore*front, and a single row of four 35‑line black plastic anchor buttons down the left front and three on right. Women's peacoat buttons to the left. Women may wear either the men's peacoat (without epaulets) or the women's peacoat (with epaulets) as long as serviceable. For insignia see <article 4221>.
b. Correct Wear. Button all buttons except collar button. Collar button may be buttoned in inclement weather. Wear the jumper collar inside the coat. Sleeves are to reach about three‑quarters of distance from the wrist to the knuckles when arms hang naturally at the sides. For insignia, see <article 4221>.
c. Ownership Markings. Center last name and last four digits of SSN three inches from and parallel to the bottom edge of the peacoat.
42. REEFER (Officers/CPOs)
a. Description
(1) Men. A double‑breasted, hip length coat made of dark blue authorized fabric with a convertible collar, a set‑in pocket in each forefront, and a single row of four 35‑line or 40‑line buttons on right front and three on left. Men's reefer buttons to the right. Two loops on each shoulder hold officer's hard shoulder boards. Required buttons are described in <article 5403>.
(2) Women. A double breasted, hip length coat made of dark blue authorized fabric with a convertible collar, shoulder epaulets, a set‑in pocket in each fore*front, and a single row of four 35 line or 40 line buttons on left front, and three on right. Women's reefer buttons to the left. Epaulets on each shoulder hold officer's hard shoulder boards. Women may wear either the men's reefer (with two loops) or the women's reefer (with epaulets) as long as serviceable. Required buttons are described in <article 5403>.
b. Correct Wear. Button all buttons except collar button. Collar button may be buttoned in inclement weather. Sleeves are to reach about three‑quarters of distance from the wrist to the knuckles when arms hang naturally at side. For insignia, see <article 4103> for officers. CPOs wear no insignia.