Smartwool

The approach is sometimes the hardest part of the climb, but the PhD® Pro Approach Crew makes it easier with features that make every step more co...

The approach is sometimes the hardest part of the climb, but the PhD® Pro Approach Crew makes it easier with features that make every step more co...

We partnered with ultrarunner Rob Krar to design a sock purpose-built for long runs. With the 4 Degree™ elite fit system helping to ensure a perfor...

The Liner Glove will let your hands stay warm while still being able to click, swipe, and type, thanks to its touchscreen-compatible thumb and inde...

Our Men’s Merino Sport Lined short is made for comfort, with features like the Merino Sport 150 liner that supports, dries quickly, and provides b...

Our Men’s Merino Sport Lined short is made for comfort, with features like the Merino Sport 150 liner that supports, dries quickly, and provides b...

When the weather gets warm, your arms might want some air. That’s where a good, high-performance tank comes in. Our Men’s Merino Sport Ultralite Ta...

Simple but practical, our Men’s Merino Sport Ultralite Short Sleeve tee is soft yet functional, for all-day comfort and utility. Its super-light p...

Simple but practical, our Men’s Merino Sport Ultralite Short Sleeve tee is soft yet functional, for all-day comfort and utility. Its super-light p...

This beanie is a do-anything essential, all season long. Ski in it, run in it, build your kid a snow bunker in it. And the reversible pattern means...

This beanie is a do-anything essential, all season long. Ski in it, run in it, build your kid a snow bunker in it. And the reversible pattern means...

Hike how you like in our responsibly sourced, ZQ-certified Merino wool Hike Light socks. Formerly known as PhD® Outdoor, these hiking socks are pa...

We asked pro athlete, Rob Krar, to help us create the ultimate running sock based on his experiences and insights. This purpose-built sock features...

It’s time to take “burr” out of your running vocabulary. Stride out in our PhD® Run Cold Weather Mid Crew. A Merino blend and mesh zones designed f...

It’s time to take “burr” out of your running vocabulary. Stride out in our PhD® Run Cold Weather Mid Crew. A Merino blend and mesh zones designed f...

Our PhD® Run Light Elite Crew socks use targeted cushioning where runners need it most: on the ball and heel of the foot. We packed our most tech...

Featuring Light Elite cushioning, these socks contain targeted cushioning placed only where runners need it most, on the ball and heel of the foot....

Featuring Light Elite cushioning, these socks contain targeted cushioning placed only where runners need it most, on the ball and heel of the foot....

Featuring Light Elite cushioning, these socks contain targeted cushioning placed only where runners need it most, on the ball and heel of the foot....

Featuring Light Elite cushioning, these socks contain targeted cushioning placed only where runners need it most, on the ball and heel of the foot....

Featuring Light Elite cushioning, these socks contain targeted cushioning placed only where runners need it most, on the ball and heel of the foot....

Our PhD® Run Light Elite Pattern Crew socks were designed to pair perfectly with your precise-fitting running shoes. Featuring our targeted ...

When you hit the trails in our new PhD® Run Ultra Light Low Cut socks, the socks are the only thing that should be low. Expectations and elevations...