Top Summer Sellers

Top Summer Sellers

  1. SHOP MEN'S
  2. SHOP WOMEN'S
Wool in Warm Weather

Wool in Warm Weather

  1. EXPLORE THE COLLECTION

MERINO WOOL

UNDERWEAR

The first layer is the last thing on your mind, until it lets you down. Our Merino underwear provide Merino wool next to skin comfort, and with the Merino on a nylon core we’ve added durability and shape retention.

  1. SHOP MEN'S UNDERWEAR
  2. SHOP WOMEN'S UNDERWEAR
Men's Merino Underwear
Image of ultra runner Smartwool athlete Darcy Piceu

Balancing What Matters

As a pro ultra-runner with a day job and single mom, Smartwool Athlete Darcy Piceu strives to balance it all.

READ MORE

A group of three hiking in canyonlands

Staying Cool in Merino Wool

Moisture management, breathability and odor resistance are just a few reasons why Merino wool is perfect for warm weather.

READ MORE

USA Made

Made in the USA

We’re proud to make most of our socks right here in the USA.

LEARN MORE

Group hiking through canyon floor

Looking Up

What can nature teach us when we use our senses? Take a journey through Utah’s canyon country to find out.

READ MORE