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 ...

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

Save on bestselling snowstorm-ready base layers, like Uniqlo's Ultra-Warm long-sleeves, turtlenecks and leggings that ...

"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 ...

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 ...

It’s officially cozy season, so it’s the perfect time to shop for a new set of the best base layers to wear under your ski clothes or winter hiking outfits. However, with so many options and a wide ...

Powder aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. Staying cozy on the ski hill is of the utmost priority, no matter the ...

If you’re part of the “always freezing” crowd — especially if you live in a colder climate — warm winter base layers are a wardrobe must, from thermal undershirts and long johns to cozy socks. Many of ...