2nds. SmartWool PhD Outdoor medium crew socks offer top-flight performance for long days on the trail. Made of itch-free, moisture-wicking merino wool, the 4-Degree fit system prevents bunching and provides improved durability in high-wear areas.
Reviewed by dbrewer1965 from Omaha on Tuesday, August 06, 2013
first time I have tried these and LOVED them and I have since got back online and ordered more smartwool socks(not this exact pair). I am on my feet 12+ hours a day and wear heavy steel toe boots and my feet felt good at the end of the day