Smartwool Classic Thermal Merino Crew Base Layer

Lightweight Thermal Regulation for Active Movement

The Smartwool Classic Thermal Merino Crew is a thermal base layer designed for dependable warmth and comfort in cold conditions. Merino wool naturally helps regulate temperature, manage moisture, and resist odor, making it a reliable choice for skiing, snowboarding, hiking, and winter travel. Its soft, breathable construction provides next-to-skin comfort and layers easily under midlayers and outerwear.

Why You’ll Love It

✔ Merino wool provides natural warmth and temperature regulation
✔ Moisture management helps maintain comfort during activity
✔ Naturally odor-resistant properties support extended wear
✔ Breathable thermal construction balances warmth and comfort
✔ Soft, next-to-skin feel for all-day use
✔ Crew-neck design works well with a variety of layers
✔ Easy to layer under ski jackets, shells, and midlayers
✔ Versatile performance for skiing, snowboarding, hiking, and winter travel

Base Layer Profile & Technical Specifications

Category: Thermal Base Layer Top

Fabric: Merino Wool

Neck: Crew Neck

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