Small hole on the inner lining but doesn't impact the jackets wear

and are made by Gaunt of London which would place these buttons at about 1960 - 70

Chest Size: 43" | Suggested Size: Small Regular - Label suggests a "SMALL"

An excellent pair of trousers with a lovely history given these would've been worn for ceremonial events

just missing its packaging

British Army SAS S95 Black Field Trousers - W29 L28.5 Czech Republic Small hole on the innerAt a glance 85% Cotton & 15% Polyester Blend Material Zipper Fly 2 Large Button Cargo Pockets & 2 Waist Slit Pockets 2" Belt Loops Drawstring Waistband & Cuffs Button Waist Side Adjusters SAS Quality Durable Ripstop Construction Solid Black Colour Waistband Flat: 14. 5" Suggested Size: X Small Slim Label states 72cm Inside Leg: 28. 5" Short Label states around 72cm Total Length: 39" Modern Militaria Issued 1995 Early 2000's Genuine British Army