The FootJoy Womens ComforSof Low Cut Black Sock has a double-layer construction in the heel which helps provide added support and cushioning.

Additional Features:

• Soft Natural Fiber –Cotton is a natural fiber that is soft, comfortable and breathable.
  
• Superior Construction –Lycra/ spandex provides excellent fit and superior stretch and recovery.
  
• Extreme Comfort –Comfort Seam is FootJoys exclusive enclosed toe seam for advanced comfort and fit.
  
• Secure Fit –FootJoy reinforces the heel of its socks by double-layering the heel area which provides support and cushioning in a known high abrasion area.