Thermals, long johns, base layers – whatever you want to call them, there’s nothing like a warm layer worn next to the skin to help keep the chill of colder weather at bay. Whether you’re skiing, ...

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 ...

If you’re part of the “always freezing” crowd — especially if you live in a colder climate — warm winter base layers are a ...

Smartwool established a reputation for its high-performance merino wool base layers — offering unbeatable warmth, breathability, and moisture-wicking properties. The brand has since built on the ...

Designed to be worn next to your skin, and under mid and outer layers, base layers have two functions: to regulate your ...

Once you invest in a quality base layer, you’ll wonder how you got along without it for so long. I’ve become a big fan of merino wool because it keeps you warm while also offering a great deal ...

Smartwool is known for their super soft and durable merino wool socks and apparel. Their running lineup is perfect for ...