If you're looking into the Smartwool Men's Classic Thermal Merino Base Layer 1/4 Zip for activities like skiing, it seems like a solid choice. It's made from 100% merino wool, which is great for ...

Smartwool's line of IntraKnit thermal base layers include three performance categories with premium tops and bottoms – even briefs and bras – depending on your insulation needs and activity.

Merino wool isn’t the only option. From bamboo to cashmere, we explore the best base layer fabrics for staying warm, dry, and comfortable.

Nuyarn takes Merino wool performance to the next level, and we think it’s the perfect fabric for skiing base layers.

These well-loved Smartwool base layers are popular for a reason: They're just the right weight for a base layer, feature heavy-duty seams (read: sturdier, longer lasting) that don't rub, and sit ...

Smartwool’s Merino 150 Base Layer Bottoms offer impressive warmth because they’re high-quality 100% merino wool construction. 32 Degrees Women’s Cozy Heat Base Layer is stretchy, comfy, and ...

If you're curious about the warmth of the Smartwool Men's Classic Thermal Merino Base Layer 1/4 Zip, it’s built from 100% merino wool, which is known for being cozy in cooler climates. In the ...

While I recommend the Smartwool Classic Thermal Merino Base Layer Bottoms for super-cold days or long-term investment, the Uniqlo base layers are a solid pick for enjoying winter on the slopes.

Smartwool Classic Thermal Merino Base Layers function similarly, offering flatlock seams, cute prints and moisture management, and cost about the same, at $115 (each) for the top and bottom.

But this is the first time researchers have discovered a lead base layer in any works created by Rembrandt or his contemporaries, per a statement.