Smartwool PhD Ski Light Socks

Size Chart

The PhD Ski Light Over-the-Calf socks from Smartwool are great for skiers who prefer the highest degree of lightweight cushioning, while demanding a cutting-edge performance. The SW015031 PhD Ski Light socks from Smartwool are specifically designed to be the perfect companion while on the sloops. The Ski Light socks feature Smartwool's 4 Degree Fit System to provide you with a perfect, long-lasting fit. Targeted, light area cushioning in the front of the shin where your boots hit, as well as at the bottom of your foot helps you to ski more comfortably. The PhD Ski Light socks are tailored to fit well with ski boots, offer modest cushioning where you need it, and are warm enough for all-day endeavors. Made in the USA.


  • Unisex Sock
  • Light Cushioning in Shin (front boot protection) and Foot
  • Made in the USA
  • 4 Degree Fit System for all-day performance fit (sock will not sag or bunch)
  • Indestructawool technology for exceptional durability and comfort
  • Strategic Mesh Zones to aid in temperature control and moisture management
  • 14" Overall Height
  • Virtually Seamless toe


56% Merino Wool, 42% Nylon, 2% Elastane

Sock Height

Knee-High Height Sock

Sock Cushion

Light Cushion Sock