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

Merino wool has dominated the outdoor base layer market, setting the bar for warmth, breathability, and temperature regulation. Although merino has long been considered the best base layer material ...

In this article, we'll break down base layer weights and share a nifty trick to help you choose the right layer weight for your outdoor needs. The post This easy trick tells you which merino wool base ...

Subscribe today →. Modern base layers have come a long way from the waffle-knit long johns that were wetted out by lunchtime ...

If you buy something via one of our links, we may earn a commission. Remember a few years ago, when everyone seemed to be switching to merino wool base layers for skiing? Synthetic base layer ...

In 2025, 100 percent merino wool garments are a dying breed, often replaced by wool/nylon blends that boost durability. But ...

Like the socks this brand built its reputation on, the Smartwool Merino 150 base layer uses Merino wool – a material that's often used for outdoor apparel, being breathable yet warm, and ...

The moisture-wicking, thermoregulating clothing layer next to your skin is the most important thing you wear for winter ...

Good base layers should be formfitting — not tight but not loose — in order to retain heat. They are often woven from merino wool or technical synthetic fabrics that also have moisture-wicking ...

Popular choices include merino wool, polyester, and synthetic blends. Second, the fit. A good base layer should fit snugly ...