Thank you for your enquiry.
Please be advised that the weights between the trousers are all the same at 8.4oz per square yard and the colour aged Navy is classed as a Dark Navy Blue and should be the same in each style.
If you have a catalogue with the colour shown then this is usually a more accurate guide.
The openings will vary according to the size required, however the Traditional fit will be between 17 Inches to 19 Inches on the bottom opening.
The Straight fit will be 15 ½ Inches to 17 ½ Inches and the slim fit will be 14 Inches to 15 ¼ Inches.
If you require the exact measurements for your size then please contact us on 0800 376 7974.
Answered on 2/2/2016 by Angelina from Lands End