The Women's PhD® Outdoor Ultra Light Pattern Mini Socks are constructed with the new Shred Shield™ technology to reduce wear and tear. The Degree™ elite fit system for allows for a more dialed-in fit and activity-specific mesh zones for additional breathability. This durable women's wool hiking sock was made to go for miles and miles. When you've got miles more to cover, pick the Smartwool Women's PhD® Outdoor Ultra Light Pattern Mini Socks. They're built for the job.