When ultimate warmth and comfort are what you need, pull on the PhD Heavy OTC. We've updated this classic style with Indestructawool technology for ultimate durability and the 4 Degree elite fit system to keep the sock in place. Heavy cushioning provides warmth for even the coldest days.

Features

• Performance Socks
• Indestructawool technology features a patent-pending construction method for exceptional durability and comfort
• 4 Degree elite fit system provides greater stretch and recovery to keep the sock in place
• Strategic mesh zones balance warmth with breathability, thermoregulation, and moisture management.
• Virtually Seamless toe
• 14" overall height