weight

Hi all, i'm considering an Aero Highwayman. I live in Perth Australia and the climate is a fair bit warmer than Perth, Scotland! Whats the lightest weight version Aero has made either past or present? I love the look of the Horsehide... I've seen a Thunder Bay edition which claims to use...

I have to make a reservation, as always. I don't want to offend anyone. I just don't understand one thing. Why do almost all clothing sellers use one of the characteristics of the weight of fabric or leather? For me personally, this is absolutely useless information. I almost never know the...