10 Best Thermals For Women 2025 in the United States

The G Gradual Women's Fleece Lined Joggers are designed to keep you warm and comfortable in cold weather. The thermal fabric is fleece-lined, providing a soft and warm feel, making these joggers ideal for temperatures below 30°F. The high waistband with an adjustable drawcord ensures a snug fit and good tummy control, while the tapered design keeps the pants from feeling bulky.

The joggers feature a durable water-resistant coating, which is great for light rain and snow, and they're also resistant to pet hair, making them practical for everyday use. With two zipper pockets, you can securely store your phone and other valuables while on the go. These joggers are versatile and suitable for various activities like dog walking, lounging, running, hiking, and casual wear during winter.

However, there are some potential drawbacks. The material is predominantly polyester (77%) with 23% spandex, which may not be the best for moisture-wicking or odor resistance. Additionally, the lack of specific information on seam construction means it’s unclear how durable the pants will be in the long run. These joggers are a solid choice for those seeking functional and warm winter wear, but they may not be the best option for high-intensity activities that require excellent moisture management and odor control.

The Thermajane Long Johns Thermal Underwear for Women is designed to provide extra warmth and comfort during cold weather. Made of 92% polyester and 8% spandex, this thermal set is both soft and stretchable, ensuring a snug fit that adapts to your movements. The fleece lining adds an ultra-soft layer against your skin, making it comfortable for all-day wear.

Its moisture-wicking properties help to keep you dry and odor-free, which is ideal for both casual and active use. Additionally, the 4-way stretch fabric ensures you can move freely without feeling constrained. The seamless construction and snug fit make it a great base layer under other clothing, enhancing warmth without bulkiness.

Being an imported product, it may not have the same build quality as domestically produced alternatives. Furthermore, the care instructions require machine washing, which may not be as convenient for everyone. Despite these minor drawbacks, its heat retention and comfort make it a strong contender for anyone needing reliable thermal wear for cold weather.

The Merino.tech Merino Wool Base Layer for Women stands out due to its high-quality material, being made from 100% superfine 17.5-micron Merino wool. This ensures a soft, comfortable wear that's itch-free and suitable for daily use. Offering a midweight option with a 250 g/m² fabric weight, it strikes a balance between warmth and breathability, making it versatile for various weather conditions. The package also includes Merino wool socks, adding value to the purchase.

The material is excellent at moisture-wicking and odor resistance, keeping you dry and fresh, which is ideal for active wear or extended use. It's also easy to care for, being machine washable, although hand washing and air drying are recommended for longevity. The pull-on closure adds to its simplicity and ease of use.

This thermal base layer is perfect for those seeking comfort and quality in cold weather apparel, particularly useful for hiking or other outdoor activities.