Service dress—consisting of a dark blue blouse coat similar in cut and design to the blue service coat of other officers; dark blue trousers, the blue cap and black shoes.
White service dress—consisting of a white duck coat with gilt buttons similar in cut and style to the white service coat of other officers, white duck trousers, white cap and white shoes.
Khaki undress—consisting of a khaki blouse, trousers and cap.
Working dress—consisting of khaki blouse and trousers and white hat.
Working undress—consisting of khaki shirt and trousers and white hat.
The overcoat is an ulster of dark blue cloth, double-breasted, buttoning to the neck with two rows of gilt buttons on the front with a wide rolling collar.
The insignia of the Corps of Midshipmen are a gold anchor worn on the full dress jacket and blue service coat on each side of the collar near the front. All Midshipmen attaining above 85 per cent in standing also wear a gold star on each side of the collar.
The rank of Midshipman Officers is indicated by stripes of gold braid one-eighth of an inch wide sewn around the sleeves of the full dress jacket, service coat and overcoat, the lower stripe being about two inches from the lower edge of the sleeve, the number of stripes for the different grades being:
| Midshipman Commander | Five stripes one-quarter of an inch apart. |
| Midshipman Lieutenant Commander | Four stripes one-quarter of an inch apart. |
| Midshipman Lieutenant | Three stripes one-quarter of an inch apart. |
| Midshipman Junior Lieutenant | Two stripes one-quarter of an inch apart. |
| Midshipman Ensign | One stripe. |
All Midshipman Officers also wear a gold star one inch in diameter three-fourths of an inch above the upper stripe on each sleeve.