It’s easy to go the distance in SmartWool Men’s / Women’s PhD Running Ultra Lightweight Low Cut SocksThe ultimate fusion of maximum fit and protection with minimal weight, this merino wool-rich running sock won’t weigh you down. As an advanced PhD sock, you can rely on the 4-Degree Fit System, mesh ventilation zones, and high-density impact zones for superior fit and comfort, while preventing foot irritations. With expert designers, a scientifically developed fit system, and the best fiber in the world, it's easy to see that the smartest SmartWool is SmartWool PhD.
Features & Benefits of SmartWool Men’s / Women’s PhD Running Ultra Lightweight Low Cut Socks:
- Superior merino wool naturally controls moisture, temperature and odor.
- 4-Degree Fit System provides an incredibly comfortable fit above and below the heel, under the arch and across the instep.
- WOW Technology™ puts more wool in the heel, toe and across the entire sole, making the sock far more protective, durable and comfortable.
- Strategic mesh ventilation zones help feet breathe to stay dry and prevent blisters.
- Padded Achilles tab for protection and a fit that stays in place.
Other Important Information About SmartWool Men’s / Women’s PhD Running Ultra Lightweight Low Cut Socks:
- Yarn Content: 73% wool, 24% nylon, 3% elastic.
- Care: Machine wash in cold water. Tumble dry on low heat. No bleach or fabric softener.
- Made in USA.