Our PhD Outdoor Ultra Light Snow Summit Print Crew brings you a lightweight sock with plenty of warmth for your journey to the top of the mountain. Our thinnest outdoor sock is great for hiking, running, cycling, and everything outdoors. These technical socks feature our Indestructawool technology for enhanced durability, our 4 Degree elite fit system for a dialed, performance-oriented fit, our Shred Shield technology to help minimize wear from toes, and our Virtually Seamless toe for enhanced comfort all working together so you can venture out farther and more confidently.