Best Women’s Thermal Underwear Bottoms

Durable & Rugged

Our fitness expert notes that Smartwool is a leader in thermal underwear.

Our expert also notes that these are durable enough to last for years. They’re made of Merino wool, a completely natural way to keep you warm during any event. They’re also slimming and come in 14 colors including black.

Warmwear Traditional Thermal Underwear

They’re expensive. They have a low waist that some may dislike.

Best Bang for the Buck

Indera

Most Affordable

These fitted thermal bottoms are comfortable to wear and offer reliable protection from the cold.

Made with a blend of cotton and waffle knit polyester that provides comfort. Waffle pockets trap and retain body heat. Rib cuffs offer extra protection from the cold. Best suited for moderately cold weather and medium activity. Machine-washable.

Tends to fade and lose its shape after a short while.

Fruit of the Loom

Thermal Waffle Bottom

Trusted Brand

These thermal bottoms feature ribbed cuffs with Spandex and are hard to beat for price and reliability, according to our expert.

Soft cotton and waffle polyester fabric resists shrinkage. Waffle pockets wick away moisture to keep you dry and retain heat to keep you warm. Tagless neckline allows for seamless, comfortable, and itch-free wear around the waist.

Super-Soft Thermal Long Drawers

Material has very little stretch. Sizes run small.

Indera

Great Value

This heavyweight cotton thermal underwear provides superior protection from extremely cold weather.

Made with cotton raschel knit fabric that retains body heat and keeps you warm. Comes with fitted rib cuffs that offer extra protection from the cold and a tagless label for comfortable wear. Sizes go up to 4XL. Ideal for very cold weather and medium activity.

Women’s Base Layer Thermal Pants

Fabric is not very soft and can be uncomfortable.

Meriwool

Expert-recommended

This base-layer thermal bottom comes in 10 colors such as black or sky-blue heather; our expert approves.

Despite being made of wool, they don’t itch. They are quick to dry and even have a loop so you can hang them to dry faster—perfect for after wet and snowy activities. They’re also odor-resistant.