- 67% Merino Wool 32% Nylon 1% Elastane
Women's PhD Outdoor Heavy Crew
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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 youre 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.