I agree. I'm in Singapore, so airy and open weaves are necessities for regular wear. Am inclined towards unlined jacket (sleeves-only) and half-lined pants. However, I do recall reading somewhere in this thread about linings and canvassing showing through the weave under strong light. I suspect the issue is overstated, but always good to err on the side of caution and solicit views from folks with Minnis experience.