A decent base layer helps by trapping warm air close to your skin and keeping you more comfortable whether you’re shoveling, ...

Amazon reviewers can vouch for the toastiness of these long johns and other base layers.

Adidas has women's base layers on sale for just $8. These highly rated long-sleeve tees feature sweat-wicking and stretchy ...

The merino-polyester blend balances warmth and moisture management, with a soft feel that works well for multi-day use. Ideal for winter runs, ski touring or fast-paced winter travel when you need ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Building that ski outfit begins, of course, with the base layer. You want the base layer—also called long ...

A couple of weeks ago, I showed up in dusty pink Kari Traa thermals for a ski date with outdoor writer Stacy Gold and laughed as we tried to explain their appeal to her perplexed 70-year-old neighbor, ...

I’ve stopped wearing merino base layers. The change wasn’t deliberate, sudden, or driven by a deep concern for the wellbeing of rare sheep. Instead, it happened naturally over time, because the latest ...

News flash: It’s winter, aka cold o’clock, and if you like to play in the mountains (like me), chances are you’re bundling up more than usual. A tried-and-true strategy for layering typically involves ...

Smartwool base layers are a must if you live in a cold climate or vacation in snowy destinations. The brand's apparel and accessories are all made of 100 percent sustainably sourced merino wool, which ...

Organizing this list was no easy task, as our contributors had to sort through many base layers, armored and not, before making our top picks for 2023. One of the most often neglected things when ...