This article is part of CNN Underscored’s Earth Week, a weeklong focus on our planet and ways to celebrate and preserve it. We’ll be featuring tips on how to live more sustainably, products to help ...

We tested Smartwool's new upcycled fleece to see if it delivers the performance and comfort the brand promises. Here's our ...

Over the last few decades, merino wool has become a staple of outdoor gear. It keeps you warm when the weather is cold but helps you stay cool when it’s warm out. It never gets stinky even with ...

The repurposed yarn is blended with responsibly sourced Merino wool and designed with an elasticized arch and seamless toe for comfort. Credit [Smartwool] Smartwool claims to be one of the first ...

The Darn Tough Merino Wool Full Cushion socks are our top pick for the best hiking socks and wool socks for their durability and versatility through the seasons and activities. Smartwool Mountaineer ...

Our product picks are editor-tested, expert-approved. We may earn a commission through links on our site. Why Trust Us? Sheep’s wool is naturally moisture regulating, meaning that it wicks away sweat ...