Are bike shorts getting thinner?

[easterbird]

originally posted in another forum...received one reply there(Thanks for your reply but I forgot your name and am afraid to go back to that page and lose this post )
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I just spent some time today checking out bike shorts...my old ones are worn out. PI have been my brand so I tried several styles. Of course I tried them on with undies and not only could I see the underwear line, I could see right through to the undies and my white skin on my thighs. Thought perhaps going up a size would help. Not better and they are tooo big on legs,too. I looked though the selection of other brands but it is easy to see straight thru them on legs and bottom. Guy at the shop says they are made thinner these days for better wicking. I wonder if that's the case or if it's cheaper that way.
This issue was brought to my attention as I noticed many bottoms and butt cracks as I did Bike Va and other group rides.
Anyway any suggestions about 'decent' bike shorts??. I have used a padded liner with 'old' shorts or just baggy nylon shorts as a cover but in the summer that gets HOT!

[malkin]

Sometimes you can find a fabric weight in the description, some number of grams per square yard or meter of fabric. Pick the heaviest one you can find.