Smartwool Women's PhD Cycle Ultra Light Micro Socks;

These are the lightest Merino socks on the market. They feature the 4 Degree elite fit system, a virtually seamless toe and patented technology to help them outlast a year's worth of centuries.

PhD
Built for Performance in the Highest Degree

4 Degree Elite Fit System
Uses two elastics for greater stretch and recovery to keep the sock in place

ReliaWool
Patented ReliaWool technology in high impact areas provides superior durability

Ultra Light Cushion
Non-cushioned for maximum performance in close-fitting cycling shoes

Care
Machine Wash Warm Gentle Cycle. Do Not Bleach. Tumble Dry Low. Do Not Iron. Do Not Dry Clean.