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 Smartwool's signature Virtually Seamless™ toe for extraordinary comfort in any trail shoe.
- Indestructawool™ technology for enhanced durability
- 4 Degree™ elite fit system for a dialed, performance-oriented fit
- Body-mapped mesh zones for added breathability
- Virtually Seamless™ toe for enhanced comfort
- 8.5" overall height
- 68% Merino Wool, 30% Nylon, 2% Elastane