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Meet the new and improved Women's Merino 250 Base Layer Crew. We've updated this 100% Merino wool fan-favorite with new color options and an enhanced fit to improve functionality while...

You’ll love the innovation of the Intraknit™ Merino wool in the Women's Intraknit Thermal Merino Base Layer 1/4 Zip, because it helps with moisture management, temperature control, and odor resistance....

The Isto Hand Warmer is ready for those cool days when you want a little extra warmth for your hand but still need your fingers free for high-dexterity tasks. It's...

Cold-weather activities don't have to make you cold. Not when there's Merino wool out there! Keep your noggin toasty with the Isto Retro Beanie, made with heavy cable knit construction....

Cold-weather activities call for the right cold-weather gear, especially for your neck and face. Made with a blend of 100% Merino wool and an interlocking knit, this Thermal Merino Reversible...

Designed with circular principles in mind, the Women’s Second Cut™ Fleece ½ Zip is made better to wear forever. Crafted with pre-consumer Smartwool® Merino wool scraps, this jacket offers the...

Go big on comfort with full cushion warmth that still breathes on the move. Indestructawool™ technology is designed to boost durability in all the right places, while the 4 Degree™...

These zero‑cushion socks sip easily into performance boots, while Indestructawool™ technology zones help boost long‑wear durability. The 4 Degree™ elite fit system helps keep everything in place, and mesh ventilation...