Treat your feet no less than the best with the Smartwool PhD Ultra Light sock.Designed with SmartWool's 4-Degree Banded fit system for all day comfort, WOW (wool on wool) Also has technology in high density impact zones to reduce shock and abrasion. If you are looking for the sock that is thin, durable but yet warm and comfortable then look no farther because this is the sock for you!

• 58% wool, 40% nylon, 2% elastic
• 4-Degree Banded Fit System for all day performance fit
• WOW (wool on wool) Technology in High Density Impact Zones to reduce shock & abrasion
• SmartWool inside for moisture, temperature, and odor control
• Duroyarn™ reinforcement for added comfort & durability
• Strategic Mesh Zones for maximum ventilation
• Height: Over-the-calf
• Cushioning: Non-cushioned