SmartWool Classic Thermal Merino Base Layer Quarter Zip - Women's

When the frost turns the morning air brittle, you need a foundation that works as hard as your momentum. Smartwool built this midweight quarter zip from 250g interlock-knit merino wool, creating a dense, insulating barrier that manages heat fluctuations before they become a distraction. Because the fabric sits close to the skin, it actively pulls moisture away during high-output scrambles and stays soft enough to forget it’s there when the day settles into a long, slow descent. Raglan sleeves remove bulky shoulder seams to grant you full, fluid reach, while the flatlock construction ensures that hours under a heavy pack won't result in irritation. Zip down to dump heat during a steep climb or seal it tight against a biting wind; either way, the natural resilience of merino keeps things fresh from the first mile to the last. This is the piece that stays in the rotation because it doesn’t just endure the cold—it makes the environment feel entirely manageable. 
 
PRODUCT CONDITION
 
This UnNew Smartwool Classic Thermal Merino Base Layer Quarter Zip - Women's is in Good condition. 
 
Products in Good condition have been well loved, but still have life left in them. Signs of wear may include pilling, snags, lint, animal hair, dried dirt, minor but noticeable staining, and other cosmetic imperfections. Small tears or holes may be present, but will not affect the functionality of the item. 
 
With this item, the following damages were observed: 

• Small stain on the front 
• Light wear on the cuffs

 



TECH SPECS

• Brand: Smartwool
• 100% Merino wool
• Interlock knit construction
• Flatlock seam construction
• Raglan sleeves
• Moisture-wicking, breathable, and odor-resistant properties