Bryce Galloway wrote a review of SmartWool PhD Compression Calf Sleeve on July 24, 2014
Familiarity: I've used it once or twice and have initial impressions
Fit: True to size
Ran ragnar with these on for the first time, I normally get cramp in my calf on long runs, I got nothing this time, it felt good because I wore them. I love these things.