Smartwool Denmark

Go far. feel good.™

Born on the slopes of the Colorado Rockies, we were the first brand to add Merino wool to ski socks—unlocking the power of this natural fiber for performance sports. From there, we’ve continued to innovate and create apparel and socks designed to help you go far and feel good in the outdoors.



PhD Outdoor Socks
PhD® Outdoor Socks

Designed to keep you comfortable on any trail

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PhD Snow Socks
PhD® Snow Socks

Built to work with ski and snowboarding boots

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Merino 250 Base layers
Merino 250 Base Layers

Made to help you stay warm and dry

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Smartloft Midlayers
Smartloft Mid Layers

Breathable warmth for winter activities

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Smartwool PhD Outdoor Socks

Socks matter. Whether you’re going on a quick day hike or touring in the mountains, the right socks will help keep you focused on the journey in front of you. Our PhD® Outdoor socks combine Merino wool comfort, breathable vent zones, and a dialed-in, gender-specific fit to keep your feet happy and supported on your adventures.



Features & Benefits

  1. Activity-specific mesh zones to enhance breathability
  2. 4 Degree™ elite fit system to help keep socks comfortably in place
  3. Indestructawool™ technology—ultimate durability for enduring performance
  4. Virtually Seamless™ toe for ultimate in-shoe comfort
  • ZQ-certified, ethically sourced, ultra-soft Merino wool
  • Different cushioning levels allowing you to customize your fit
  • Gender specific fit
PhD Outdoor Sock Tech
PhD Pro Approach Sock
men’s phd® Pro approach light elite mini deep navy shop now
PhD Outdoor Sock
men’s phd® outdoor light Pattern crew charcoal shop now
PhD Outdoor Womens Sock
women’s phd® outdoor medium CREW black-tibetan red shop now
PhD Outdoor Light Womens Sock
women’s phd® Outdoor Light Pattern CREW Medium gray shop now
Smartwool PhD Snow Socks

Our PhD® Ski and Slopestyle socks are designed to work with your ski and snowboard boots to keep you warm and dry and help protect against blisters and bruises. They’re made with activity-specific cushioning, vent zones, super-soft Merino wool, and gender-specific fits.



Features & Benefits

  1. Activity-specific mesh zones to enhance breathability
  2. 4 Degree™ elite fit system to help keep socks comfortably in place
  3. Indestructawool™ technology—ultimate durability for enduring performance
  4. Virtually Seamless™ toe for ultimate in-boot comfort
  • ZQ-certified, ethically sourced, ultra-soft Merino wool
  • Different cushioning levels allowing you to customize your fit
  • Gender specific fit
PhD Snow Sock Tech
Mens Slopestyle Sock
men’s phd® slopestyle MEDium Black shop now
Mens Ski Sock
men’s phd® SKI MEDium Black shop now
Womens Ski Sock
women’s phd® SKI Medium charcoal shop now
Womens Ski Sock
women’s phd® slopestyle MEDIUM moonbeam shop now
Smartwool Merino 250 Base Layers

Our Merino 250 base layers feature 100% ZQ-certified Merino wool. They’re purpose-built for cool- to cold-weather adventures. Every 250 is incredibly soft, uses an interlocking knit for warmth and loft without bulk, and resists odors to help keep you feeling fresh. These base layers are a solid start to any slope or outing this winter.



Features & Benefits

  • 100% Merino wool construction
  • Seams designed to minimize chafing
  • Ethically sourced, ZQ-certified wool
  • Warmer fabric for colder months
  • Soft and breathable
Mens Merino 250 Base Layer Olive
Men’s Merino 250 Base layer CREW OLIVE HEATHER shop now
Mens Merino 250 Base Layer Red
men’s Merino 250 Base layer CREW TIBETAN RED shop now
Womens Merino 250 Pattern Base Layer
Women’s Merino 250 Base layer pattern Crew Gray-Moonbeam Heather shop now
Womens Merino 250 Asym Top
Women’s Merino 250 Asym Top Mediterranean Green shop now
Smartwool Smartloft Mid Layers

Our Smartloft midlayers amplify the benefits of our Merino base layers. They let sweat escape as a vapor while staying warm and breathable. This lets moisture escape to the outside of your gear quickly and helps you stay in that chest-deep powder even longer. And they come in different weights to allow you to customize your layering system.



Features & Benefits

  • Insulation is 50% recycled Merino wool content
  • DWR-coated shell material
  • Different insulation weights for multi-use functionality
  • Stays warm even when wet
  • Packable, breathable, and odor-resistant
Mens Merino 250 Base Layer Olive
Men’s SMaRTLoFT 150 HooDY Graphite shop now
Smartwool Smartloft Mid Layers