Smartwool

The Smartwool PhD Ski Medium Pattern socks deliver medium cushioning and maximum warmth and breathability when the going gets cold so you can get in just one more run.

This Signature Smartwool® sock uses a classic look with a ribbed leg, but doesn't skip of the softness of Merino wool, of course.

Over 25 years ago, we invented the original Merino wool performance sock—the Classic Hike. The Classic Hike remains mostly unchanged and certainly unmatched in comfort. But today, it’s getting upgraded. And that upgrade starts with recycled...

Spruce up your day with our Men's Spruce Street Crew. A supportive arch brace adds a snug fit, and our Virtually Seamless™ toe provides the ultimate in-shoe comfort.

Spruce up your day with our Men's Spruce Street Crew. A supportive arch brace adds a snug fit, and our Virtually Seamless™ toe provides the ultimate in-shoe comfort.

The elasticized arch brace of the Classic Hike Full Cushion Solid Crew will ensure a secure fit while you hike. But that’s not all there is to like about this classic sock. You’ll also enjoy a flat knit toe seam for in-shoe comfort as well as enhanced...

Mountains + snow = the best there is in life. And what better reminder could you have of that than this ZQ-certified Merino wool women’s ski sock? Loaded with comfort- and performance-minded features, this sock is a marriage of all-day style and mountain.

Perform with the power and comfort of responsibly sourced, ZQ-certified Merino wool in our Hike Light Cushion Crew socks. Formerly known as PhD® Outdoor, we've updated our best hike socks to include more sustainable materials with the addition of...

Our Women's PhD® Snow Medium Traced Dahlia Pattern socks bring one-of-a-kind Mary Rand inspired artwork to your snow day kit. Our thickest and warmest snowboard socks feature our best sock tech, including our Indestructawool™ technology...

As a salute to our 25 years of making Merino socks, we've combined the sock that started it all (our Hike Light Crew) with our most beloved casual sock pattern (the Margarita) to bring you the Hike Light Margarita Crew. A flat toe seam provides in-shoe...

Cold feet, like cold hands, can make an otherwise epic day rather miserable, so wrap your toes in the Smartwool Performance Ski Full Cushion Alpenglow Pattern OTC Socks (formerly called PhD Medium) and ride late into the day. Spun from a merino wool blend

With a lightweight build you'll love, our Women's PhD® Ski Light Elite provides you with targeted cushioning on the shin, ball, and heel for protection without bulk in tight fitting boots. These over-the-calf ski socks feature our Indestructawool™...