Smartwool

Keep it light, Keep it fast, Keep it cool

An everyday sock that packs all-day comfort. With a "stay put" fit and enhanced comfort, durability, and eye-catching details, these Merino crew socks will bring a new level of comfort to any everyday activity, no matter how big or small.

The updated fit of the Men's Classic Thermal Merino Base Layer 1/4 Zip improves functionality while also enhancing aesthetics. It will help keep you comfortable and temperature regulated as you enjoy high-intensity skiing, hiking, running, and more.

Meet the improved Men's Classic Thermal Merino Base Layer Crew. Shoulder panels eliminate top shoulder seams and a flatlock seam construction helps prevent chafing. Add one of the best base layers to your wardrobe and experience the difference.

We've updated our Men's Classic Thermal Merino Base Layer Bottom to bring you a better fitting, more functional tight.

The Women's Classic Thermal Merino Base Layer Pattern Bottom is always ready for what's ahead. With a fit updated to improve functionality while enhancing aesthetics and a flatlock seam construction designed to avoid chafing, comfort is never in question.

The new and improved Women's Classic Thermal Merino Base Layer Pattern 1/4 Zip is here to bring you a better feeling, better performing, and better-looking garment.

Playful design. Powerful performance. That's what you get with our Women's Hike Full Cushion Alpine Perch Crew Socks. Enjoy the natural benefits of Merino every time you put these on and get out there.

The cold has met its match. Take on the chilly temperatures with the Women's Run Cold Weather Targeted Cushion Crew Socks. These high-performing women's cold weather run socks will warm up any icy run.

This sock is designed to help take care of your feet and elevate every hike.

For outdoors enthusiasts, few images are more iconic than a tent and a campfire backdropped by mountains and a full moon.

Formerly known as PhD® Outdoor, Smartwool updated their best hike socks to include more sustainable materials with the addition of recycled nylon, improved durability, updated mesh zones, and an even more perfect fit.