So, in the spirit of documentation threads, here is one that I think will prove to be helpful! Strap lengths of every bbag model! here are the styles I can think of, please add any new ones or ones that escaped my poor mind. I used atelier naff as the source for the ones below. Also pics of each style being worn with the strap will really help! flat brass first ?? first 18.5" shoulder 12.5" mini first 18" mini twiggy 18" twiggy 24.5" box 26.5" city 24.5" part time 29" old flat messenger 50" current flat messenger ?? men's day 50" besace ?? courrier adjustable 20-24"