So those boots are less than 6 months old ?
Wow. Not knocking your choice of footwear, but to be honest I would have thought that a good pair of wellies or some, *cough*, real work boots would be better/cheaper in the long run.
Sounds as if it could just be the Navy material, in which case it could be alternate materials -and/or ways of measuring and coming up with the same oz weight figure.
Next time someone is in a Filson store, maybe they could ask a question.
BTW Where on the bags are you comparing the material as there may be inherent differences in the construction of the 256 and 257 ?
It would be better to compare new and old 256 bags.
FWIW - I have just done a quick finger test on my 256 and 257 bags and they feel about the same thickness. Both bags have 'might as well have the best' tags.
Filson now have three versions of the 'original briefcase' - see below - and if it wasn't navy blue in colour I would wonder if you had a 71053 with thinner storm flap. Is it a collab 256 or a 'pure' Filson 256 ?
70256 - 22-oz. Rugged Twill + Bridle Leather
7015 - 15-oz. oil finish Tin Cloth + Bridle Leather
70153 - 22-oz. Rugged Twill + 15-oz. oil finish Tin Cloth
22-oz of twill is an areal density of the material - The number refers to the weight in ounces of a given...
To summarise, the size 8.5 felt a little too big, the size 8 were too tight, so you ordered a size 9, but think that the size 8 would work best ?Given you measure approx. 8.75 and your past experiences I'd think that 8.5 would be the way to go. A little too big is going to be better than too small as you can use thicker socks and/or insoles.