Smartwool Women's Classic All-Season Merino Base Layer 1/4 Zip - Nightfall Blue

The Smartwool Women’s All-Season Merino Base Layer 1/4 Zip is designed as a versatile first layer for a wide range of activities, from summer hikes to cold-weather adventures. As the lightest base layer in the Smartwool collection, it works well under a hardshell or fleece, yet can also be worn on its own in milder conditions.

Check out this Smartwool Women’s All-Season Merino Base Layer ¼ Zip video to see how it fits.

Designed to be worn directly against the skin, this base layer features a slim, body-hugging fit that allows you to fully benefit from the natural performance of merino wool. It offers effective temperature regulation, breathability, and odor resistance, while feeling soft and comfortable throughout the day. The fabric is also easy to care for, making it suitable for frequent use.

• 1/4 zip neckline with a 21 cm center-front zipper and semi-locking slider
• Off-set shoulder seams to help reduce irritation from backpack straps
• Princess seams for a more flattering, feminine fit
• Flatlock seam construction to minimize chafing
• Slim fit for optimal merino-to-skin contact and performance