Merino wool is standard issue for next-to-skin insulation. It works with your body's own heating and cooling system to keep your core temperat...
View full detailsOur best selling, and warmest base layer, just got a little more refined with an improved fit, chafe-free seam construction and panels that of...
View full detailsOur best selling, and warmest, base layer, just got a little more refined with an improved fit, chafe-free seam construction and panels that offe...
View full detailsWhen you 've got lots of miles to cover but only want the minimum between your foot and boot, the PhD® Outdoor Ultra Light Mini is the perfect trai...
View full detailsExperience durability at its peak with the Women's PhD® Outdoor Light Pattern Crew. Featuring Indestructawool™ technology, a patent-pending wool-ba...
View full detailsThese Smartwool PhD Outdoor Light Pattern Mid Crew socks will keep you fresh, dry, and on-the-go on the trail this season! Crew-cut sits at the cal...
View full detailsJust because a river gets a lot of pressure, doesn't mean you have to. Our PhD® Pro Wader sock was designed to combat pressure in deeper water to h...
View full detailsAn ankle-high powerhouse, the PhD® Outdoor Light Mini is made for mileage. Great for long summer treks, it combines support, stretch, and recovery....
View full detailsAn ankle-high powerhouse, the PhD® Outdoor Light Mini is made for mileage. Great for long summer treks, it combines support, stretch, and recovery....
View full detailsAn ankle-high powerhouse, the PhD® Outdoor Light Mini is made for mileage. Great for long summer treks, it combines support, stretch, and recovery....
View full detailsWhen you're out there, the last thing you want to think about is your feet. That's why we made the PhD® Pro Medium Crew with Indestructawool™ techn...
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