PhD Outdoor Heavy Crew

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.