Smartwool PhD Ultra Light Pattern Low Cut cf-size-d-mens-6-6-womens-7-8 3 Anti-vibration features to minimize

3 Anti-vibration features to minimize stress on joints

The athletic fit provides room for active movement

Conforms to left and right structure of the foot providing enhanced fit and reduced risk of blisters

Unique design features mean these pants can be changed to match the season or run

The FS6® Performance Foot Sleeve is incredibly effective at relieving the pain of Plantar Fasciitis

Smartwool PhD Ultra Light Pattern Low Cut cf-size-d-mens-6-6-womens-7-8 3 Anti-vibration features to minimizeWith ultra light cushioning and a low cut build, our PhD Run Ultra Light Pattern Low Cut socks are designed to pair well with your precise fitting running shoes. We made these Merino wool socks with our best technologies to bring you durability, breathability, comfort, and a great fitso you can run for miles and miles.