Apologies if the answer to this is in this forum, or on the internet in general, but my searching skills are obviously lacking.
So, I keep reading that swimcaps reduce drag.
What are we talking about here - a 1% advantage over not wearing a cap, if all else remain equal? 2%?
If I wear a cap, could my 40.5sec 50m (which I have done 3x) be sub40? :)
