The merino fabric lets one layer cover a dozen scenarios. Whether you’re planning for a long flight, a snowy adventure ...

The Arc’teryx Ionia Merino Wool Long-Sleeve Shirt is currently marked down to $96 and when it sells out, it'll be gone for ...

I'VE BEEN on a quest to find the ultimate base layers for cold weather for years now. As an avid skier who's no stranger to braving nasty winter weather for the love of my sport, I understand the ...

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 naturally ...

Staying warm this winter starts from the ground up, and we’ve been testing the best base layers for men all season to pad out ...

Base layers for men often don’t get the same sexy headlines, bleeding-edge technological advances, or eye-bulging price points as their outer layers counterparts. But your next-to-skin layer is just ...

Dressing for outdoor workouts in the summer doesn’t take much thought. Throw on a pair of shorts, a shirt, and, for women, a sports bra, and you can be out the door in minutes. But cold weather ...

When it comes to base layers, the main choice is whether you want a synthetic (usually polyester) layer, or a natural fiber like Merino. Historically, Merino has been heavier and held moisture longer ...