Matt R wrote a review of SmartWool PhD Outdoor Light Micro Sock on August 9, 2013
Familiarity: I've used it several times
Fit: True to size
I'll start out by saying that I really wanted to like these socks. I wear SmartWool and Icebreaker socks all winter and love how toasty they keep my feet. I was attracted to the fact that these have extra padding for increased comfort. I figured that since these socks were "light" that I would be ok using these with temps in the low 70s. Wrong. I've used these for trail running and hiking with meshy trail running shoes and my feet still roast. Maybe I need to give the "ultra light" variety a try and understand what temps these socks are designed to be used in. A high quality product, just not for summer use.