Based on British Army traditions uniforms are differentiated according to the regiment (or corps) to which an officer or soldier belongs.
Unlike in the British Army where senior officers, of full colonel rank and above, do not wear regimental uniform (except when serving in the honorary position of a Colonel of the Regiment) and use 'staff uniform'; senior officers of the Sri Lankan Army retain regimental features while incorporating elements of the British staff uniform (which includes a coloured cap band and matching gorget patches in several orders of dress) with a few local variations.
These include gorget patches with stars denoting rank in some uniforms, the use of the Kastane by general officers and President's ADCs and batons.
1), sometimes referred to as "blues", is a universal ceremonial uniform which is almost consistent throughout the Sri Lankan Army.
1A scarlet uniform is worn by both male and female other ranks of the Sri Lanka Corps of Military Police on ceremonial duty and vigil duties, with the No.1A Presidential Scarlet won mounting guard for the President as part of the President’s Ceremonial Guard.
1 Blue Dress uniform of a major general with varied gorget patchs and epaulette similar to a flag officer of the Sri Lanka Navy.
The mess dress uniform, includes a waist-length short jacket, with which men wear trousers, overalls or a kilt; and for women a long skirt.
[1] The Service Dress uniform, is worn by senior officers of and above the rank of Colonel and their ADCs for less formal occasions and its alternative in winter.
In September 2020, the army introduced a new four-coloured digital camouflage uniform to Commando and Special Forces personal.
1A was a white tunic and dark blue trousers similar to the British Army Warm weather ceremonial uniform.
1 was reserved to be used by Army officers appointed and serving as Aide-de-camp (ADC) to the President of Sri Lanka at ceremonies.
A tradition that dates back to the time when army officers were appointed as Aide-de-camp to the Governor of Ceylon.
3 Service Dress worn by offices of and above the rank of Colonel and their ADCs is of a similar design in a lighter shade of Khaki.