These follow the SD No1 style with a double vent at the back. Looking for the No2 dress uniform see below. Also available No2 dress trousers.
No1 Dress Jacket British Sandhurst Academy OFC RMAS Cadets
British No1 Dress Officers Hat Cap Chinstrap Adjustable Hi-Sheen Gloss New
No1 Dress Jacket Mans Blue / Blue Grey Colour Chest 100cm Height Long
No1 Dress Jacket Mans Blue / Blue Grey Colour Chest 108cm Reg
British No1 Blues Dress Jacket Belt Navy - All Sizes
British No1 Blues Dress Jacket Shoulder Straps Navy