The Smartwool Women’s Classic Thermal Merino Base Layer Pattern 1/4 Zip is designed to provide breathable warmth and comfort during cold-weather adventures. Featuring soft merino wool construction and a versatile quarter-zip design, this thermal base layer helps regulate temperature, manage moisture, and enhance layering comfort. Its patterned styling and athletic fit make it ideal for hiking, skiing, travel, and winter outdoor activities.

Features 

• Merino wool construction provides breathable thermal warmth
• Quarter-zip design allows adjustable ventilation and layering
• Moisture-wicking fibers help keep skin dry and comfortable
• Naturally odor-resistant wool helps maintain freshness
• Flatlock seam construction helps reduce chafing and irritation
• Athletic fit supports easy layering and active movement
• Patterned design adds stylish cold-weather outdoor appeal

Specifications 

• Material: 100% merino wool
• Product Care Instructions: Machine wash cold gentle cycle; wash with like colors; tumble dry low