Made of dark blue 100% wool serge, loose fitting, open at the neck and with a square sailor collar. The jumper has a front and back yoke with one welt style pocket outside on the left front and a side zipper on the left for improved ease in donning and doffing. The bottom of the jumper is finished with a turn-up hem and when worn covers all but the lowest button on each side of the broadfall trouser/Slacks. The collar has two stars on the jumper flap and is trimmed with three white piping, each 3/16 inch wide and 3/16 inch apart with outer piping 1/4 inch from collar edge. Sleeves have two navy blue button fasteners on cuffs, trimmed with three piping of white tape, each piping 3/16 inch wide and 3/16 inch apart, centered horizontally on the cuff and blocked off each end by a perpendicular white stripe 3/16 inch wide, connecting the ends of the horizontal piping.
Distance from outer edge of perpendicular stripe cuff's open end is approximately 1-3/8 inches. Buttons are 25-line, black, with anchors.
Wear jumpers hanging straight at the sides, fitting comfortably across the shoulders without binding the armholes, and covering all but the lowest button on each side of the broadfall trousers. Sleeves are bloused so the bottom edge of the buttoned cuff covers the wrist bone when the elbow is bent across the front of the body. When wearing an outergarment, the jumper collar is inside the garment. An inverted sleeve crease extends down the arm at the inside and outside edges. The body of the jumper has an outward crease in the front, inverted crease in the back, and the collar has three, evenly spaced outward vertical creases. When fitting the jumper to the individual, the unbuttoned cuff's edge shall reach the knuckles at the base of the fingers with hands hanging naturally at sides.
Turn the Jumper inside out, front down, collar out facing away from you. Using contrasting color ink, center surname, first and middle initial (if applicable) left to right and 1/4 inch below the collar seam.