Originally Posted by guachi

Aero race is very snug. The Competizione is very comfortable. I'm a large in basically anything else but not those Aero Race bibs. I bought large. They fit. But it's careful tugging.

On the other hand, they are so nice that the tight fit isn't noticeable one on and I love the chamois.

I'm sold on Castelli and will buy several more Competizione for the comfort and probably one but Aero Race for when aero matters.