- Comfort when you run is no longer at the top of your list when you hit the pavement with the PhD Running Ultra Light Micro by Smartwool®.
- Micro sock with a 1.5" overall height.
- Alternating 1x1 welt construction.
- Low-profile and durable design with a seamless toe.
- WOW™ Technology features high density impact zones for longer lasting comfort and wool benefits.
- Four degree elite fit system uses two elastics for greater stretch and recovery to keep the sock in place.
- Materials: 54% Merino wool, 44% nylon, 2% elastane.
- Machine wash warm and tumble dry low.
- Sold in a 3-pair pack.
- Made in the USA.