Product Review

PhD: Built for Performance in the Highest Degree

Women's Specific Fit: Narrower profile provides perfect women's specific fit

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

Indestructawool: Indestructawool technology features a patent-pending construction method for exceptional durability and comfort

Mesh Venting: Mesh ventilation zones provide optimum moisture management and maximum breathability

Ultra Light Cushion: Minimal cushioning for maximum performance in close-fitting shoes

When you've got miles to cover but want the minimum between your foot and boot, the PhD Outdoor Ultra Light Micro is ready to go. Whether it's a trail run at dawn or a hike in the heat of summer, this multi-sport sock features the power of Merino for maximum breathability, moisture management and temperature regulation. Made with Indestructawool technology for ultimate durability and the 4 Degree elite fit system to keep the sock in place.

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