Venture further and stay warmer with the PhD® Outdoor Heavy Crew. Heavy cushioning and the power of Merino help keep your feet warm, dry and comfortable whether you’re out on a multi-day trek or trudging through the snow. Featuring Indestructawool™ technology for ultimate durability in high wear areas, the 4 Degree™ elite fit system for a dialed fit and our signature Virtually Seamless™ toe for extraordinary comfort in any trail shoe.
- PhD®: Built for Performance in the Highest Degree
- 4 Degree™ Elite Fit System: For a dialed, performance-oriented fit with flex zone at ankle joint
- 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
- Heavy Cushion: Heavy impact absorption and warmth for extended excursions
- Virtually Seamless™ toe for enhanced comfort
- Sock Height: Crew
- 8.5″ overall height
- Made in USA of Imported Yarn: 68% Merino Wool, 30% Nylon, 2% Elastane
- are: Machine Wash Warm, Wash Inside Out. Do Not Bleach. Tumble Dry Low. Do Not Iron. Do Not Dry Clean.