Product Information

For the vertically inclined, the PhD Pro Approach Crew combines carefully designed comforts with rugged purpose. Made with insights from iconic alpinist Conrad Anker, our approach mountaineering socks feature specified cushioning to help protect feet from footwear friction, our 4 Degree elite fit with flex zone, ankle padding that provides additional cushioning against loose rock and scree, and body-mapped mesh to help make even the most ambitious approaches more manageable.