Shipping Info:


Item #: 332973626

For the vertically inclined, the PhD® Pro Approach Crew combines carefully designed comforts with rugged purpose. Made with insights from iconic alpinist Conrad Anker, Smartwool’s approach mountaineering socks feature specified cushioning to help protect feet from footwear friction, our 4 Degree™ elite fit with flex zone, ankle padding that provides additional cushioning against loose rock and scree, and body-mapped mesh to help make even the most ambitious approaches more manageable.


  • Indestructawool technology for enhanced durability
  • 4 Degree elite fit system for a dialed, performance-oriented fit with flex zone at ankle joint
  • Virtually Seamless toe for enhanced comfort
  • Body-mapped mesh zones for added breathability
  • Body-mapped mesh zones for added breathability
  • Made with premium yarns to enhance comfort and durability


  • Material: 49% Merino Wool / 48% Nylon / 3% Elastane
  • Cushioning: Light Elite