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The Smartwool Classic Merino Base 1/4 Zip is a versatile thermal base layer built for cold-weather comfort and performance. Merino wool helps regulate body temperature, manage moisture, and resist odor, making it a reliable choice for long days on the mountain and other outdoor activities. The quarter-zip neckline provides adjustable ventilation when temperatures or activity levels change.
✔ Merino wool provides natural warmth and temperature regulation
✔ Moisture management helps keep you comfortable during activity
✔ Naturally odor-resistant properties support extended wear
✔ Quarter-zip design allows adjustable ventilation
✔ Soft, next-to-skin comfort for all-day use
✔ Breathable construction helps manage heat during active movement
✔ Lightweight design layers easily under jackets and shells
✔ Versatile for skiing, snowboarding, hiking, and winter travel
Category: Thermal Base Layer Top
Fabric: Merino Wool
Neck: Quarter-Zip
Performance: Warmth / Breathability / Moisture Management / Odor Resistance
Fit & Feel: Soft Next-to-Skin Comfort
Layering: Designed for Use Under Midlayers, Shells, and Insulated Jackets
Best For: Skiing, Snowboarding, Hiking, and Cold-Weather Activities
Style: Technical Alpine Base Layer
