know what u mean. I had a suit made in 8oz, and altho it feels lite and wears cool it doesn't so drape well either. Especially the trews.
FYI i think yours looks fine, but I'll stick with > 10 oz/300gpm for everything now. Getting jackets half-lined really helps, as does having the trews slightly loose- even if it means sacrificing sillouhette a little.
Just a thought- If only Minnis would put a bit of cashmere in Fresco. that would be awsm