Smartwool Classic Thermal Merino Base Layer Colorblock Crew

Maintain your comfort zone as you hike, ski or bike in the women's Smartwool Classic Thermal Merino Colorblock Crew base layer top. It's made from breathable and thermoregulating merino wool.

Why We Like It

Maintain your comfort zone as you hike, ski or bike in the women's Smartwool Classic Thermal Merino Colorblock Crew base layer top. Merino helps regulate temperature and moisture without requiring a bulky layer. It's made from breathable and thermoregulating merino wool.

The Lab Fit Tip

Wear the Classic Thermal Merino Base Layer Colorblock Crew close to the skin without folds under boots or outerwear. Add warmth with a midlayer rather than oversizing the base layer and reducing moisture transfer.