Jacket, Waistcoat, Trousers. Trouser Waist 30 32 34 36 38 40 42 44 46. (ANY TROUSER WAIST SIZE CAN BE ADDED TO ANY JACKET). FOR EXAMPLE - JACKET 44 & TROUSER WAIST 32. Introducing the Oscar Navy Tweed Suit, a masterclass in refined tailoring and elegance.