dress consists, for most corps and regiments, of a khaki jacket, shirt and tie with trousers or a skirt. Coloured trousers are worn by some units: crimson by the King's Royal Hussars, dark green by the Royal Irish Regiment and Royal Dragoon Guards. All officers and other ranks now wear the same style and colour of Service Dress and it is issued free to all. Officers are required to purchase the caps, belts and shoes for which they are given a cash grant. The only variations of the standard jacket are the jackets worn by the Foot Guards whose buttons are grouped differently depending on their regiment, and the Royal Regiment of Scotland who wear a "cutaway" form of the jacket to be worn with kilts. Regimental distinctions worn on No.2 dress can include collar badges (sometimes with coloured cloth backings), coloured lanyards worn on the shoulder, arm badges, and unusually for the Educational and Training Services Branch blue socks are worn. Regimental buttons are worn; for most units, these are of gold colour, with black buttons worn by The Rifles, Royal Gurkha Rifles and Royal Army Chaplains Department, silver by the Special Air Service, Special Reconnaissance Regiment, Honourable Artillery Company and Small Arms School Corps and bronze by the Princess of Wales's Royal Regiment. Officers and Warrant Officers Class One of some (but not all) regiments and corps wear a leather Sam Browne belt (that of 1st The Queen's Dragoon Guards is of pig skin which is not to be highly polished) or a cross belt. Infantry Warrant Officers Class Two and SNCOs wear a scarlet (for WOs) or crimson (for SNCOs) sash over the right shoulder to the hip. Soldiers wear a white or black plastic waist belt with a plate buckle displaying the regimental badge in ceremonial uniform – a plain khaki belt in non-ceremonial. Every regular army soldier is issued with one suit of No.2 dress. In general, issue of this order of dress to units of the Army Reserves is to all officers and SNCOs with pools of khaki uniforms being held by units for use by corporals and below. In the ceremonial form of No.2 dress, the headdress is the same as that worn with No.1 dress, with the exceptions of the Brigade of Gurkhas (who wear the slouch hat); and of officers of The Queen's Royal Hussars who wear their "tent hat" (the