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

super-efficient handheld now features insulated hydration to keep runners cooler

easy fill opening and the quick-release hoses

Style: SX7557-100

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.