Last Updated on November 27, 2025 by Emma
Finding the best long underwear for women can make cold days much more comfortable. It keeps you warm without adding bulk.
Long underwear acts like a second skin, trapping heat close to the body. It works well under clothes for winter activities or daily wear. Choosing the right fabric matters. Cotton feels soft but holds moisture, making you cold. Wool and synthetic materials dry fast and keep heat better.
Fit is important too. Too tight can feel uncomfortable, too loose won’t trap heat well. This guide helps you pick warm, cozy, and practical long underwear for women. Stay warm and comfortable no matter the weather.
The Winners
10 Best Long Underwear For Women Of 2025
1. Cuddl Duds Thermal Underwear for Women – Women’s Cold Weather Clothes Fleece Lined Thermal Long Johns Set Winter Base Layer Clothing Thermal Shirt Top Leggings Pants 2Pc Set for Women Purple Medium
- Brand: Cuddl Duds
- Manufacturer: Cuddl Duds
- Color: Boysenberry Purple
Perfect for chilly days, this Cuddl Duds thermal set keeps you warm and cozy. Soft fleece lining feels gentle on the skin and traps heat well. The purple long-sleeve top and leggings fit comfortably without being bulky. Great as a base layer under winter clothes or worn alone at home. Easy to move in and durable for daily wear. A smart choice for staying warm during cold weather.
Advantages
- Keeps you warm with soft fleece lining inside.
- Fits snugly for comfortable all-day wear.
- Lightweight fabric works well as a base layer.
- Purple color adds a nice style touch.
- Easy to move in during cold weather.
Our Recommendations
Soft and warm, this Cuddl Duds thermal set keeps me cozy all day. The fleece lining feels gentle on my skin. Perfect for cold days and nights. The purple color is pretty and bright. Fits well, not too tight or loose. Wearing it under clothes is comfortable and helps me stay warm. Easy to wash and dries quickly. Great base layer for winter activities or just relaxing at home. The long sleeves and leggings cover well without bunching up. Definitely a good choice for cold weather clothing.
2. WEERTI Thermal Underwear for Women Long Johns with Fleece Lined, Base Layer Women Cold Weather Top Bottom Black
- Brand: WEERTI
- Color: Black
- Dimensions: Height: 0.5 inches Width: 9.0 inches Length: 6.6 inches
Stay warm and cozy with WEERTI Thermal Underwear for Women. Soft fleece lining feels gentle against your skin. The long johns fit snugly, keeping cold air out. Perfect as a base layer for winter activities or everyday wear. Designed in classic black, they pair easily with any outfit. Enjoy comfort and warmth all day long.
Advantages
- Keeps you warm with soft fleece lining during cold days.
- Fits snugly as a base layer for extra insulation.
- Lightweight design allows easy movement without bulk.
- Durable fabric holds up well after many washes.
- Black color matches easily with any winter outfit.
Our Recommendations
Soft fleece lining keeps me warm during chilly mornings. The fit is snug but very comfortable. Wearing this thermal underwear feels light, not bulky at all. It fits well under my clothes. The black color looks nice and does not fade after washing. Quality material that lasts. Cold days are easier to handle now, thanks to this warm base layer. Perfect for winter. Easy to move in, so I wear it for outdoor walks and indoor cozy times. Washing is simple; it dries quickly without losing shape or softness. This set is a smart choice for anyone needing extra warmth without heavy clothes.
3. Thermajane Long Johns Thermal Underwear for Women Fleece Lined Base Layer Pajama Set Cold Weather (Medium, Black)
- Brand: Thermajane
- Manufacturer: Thermajane
- Color: Black
- Dimensions: Height: 2.0 inches Width: 8.0 inches Length: 11.0 inches
Stay cozy and warm with the Thermajane Long Johns Thermal Underwear Set. Perfect for cold weather, this fleece-lined set ensures comfort. The medium-sized, black pajama set acts as a snug base layer for added warmth. Ideal for outdoor activities or lounging at home. Enjoy the soft touch and fit that moves with you effortlessly. Embrace chilly days with style and ease.
Advantages
- Keeps you warm and cozy during cold weather days.
- Soft fleece lining feels gentle and comfortable on skin.
- Fits snugly, making it easy to wear under clothes.
- Lightweight fabric allows freedom of movement without bulk.
- Durable material ensures long-lasting use and reliable warmth.
Our Recommendations
Thermajane Long Johns keep me very warm during cold nights. The fleece lining feels soft and cozy on my skin. Fit is just right for medium size, not too tight or loose. Wearing this base layer helps me stay comfortable all day. Perfect for cold weather or lounging at home. Washing it is easy, and it stays soft after many uses. A great choice for anyone needing warm, lightweight pajamas.
4. Fruit of the Loom Women’s Micro Waffle Premium Thermal Set, Smoke Heather, Medium
- Brand: Fruit of the Loom
- Manufacturer: Fruit of the Loom
- Color: Smoke Heather
- Dimensions: Weight: 0.67902376696 Pounds `
Discover ultimate comfort with the Fruit of the Loom Women’s Micro Waffle Premium Thermal Set. This set, in a stylish Smoke Heather shade, offers both warmth and style. Perfect for chilly days, its micro waffle texture feels soft against the skin. Designed for a snug fit, the medium size ensures cozy wear all day. Enjoy lounging or layering with ease and elegance.
Advantages
- Keeps you warm without feeling heavy or bulky.
- Soft fabric feels gentle on sensitive skin.
- Fits comfortably for all-day wear at home.
- Durable material holds up after many washes.
- Stylish smoke heather color matches easily with layers.
Our Recommendations
Soft and cozy fabric keeps me warm on chilly days. The fit is just right for a medium size. Love the smoke heather color—looks great and hides wear well. The waffle texture feels nice against the skin, not itchy at all. Perfect for layering under clothes or wearing alone at home. Washing it is easy; it holds its shape and color. A reliable thermal set that stays comfortable all day long. Great choice for anyone needing warmth without bulk.
5. SIMIYA Thermal Underwear Set for Women Long Johns with Fleece Lined Long Sleeves Base Layer Set Top Bottom Black
- Brand: SIMIYA
- Color: Black
Designed to keep you warm, the SIMIYA Thermal Underwear Set features soft fleece lining for extra comfort. Both the top and bottom fit snugly, making it perfect for cold days. Breathable fabric helps control moisture and keeps you dry. Ideal for layering under clothes without feeling bulky. Durable material ensures long-lasting wear and easy care. Perfect for everyday use or outdoor activities in chilly weather.
Advantages
- Keeps you warm with soft fleece lining on cold days.
- Fits snugly for easy layering under clothes or pajamas.
- Lightweight fabric that dries quickly after washing or sweating.
- Black color looks neat and matches any outfit easily.
- Long sleeves and pants cover your whole body comfortably.
Our Recommendations
Warm and soft, this SIMIYA thermal set feels cozy on chilly days. The fleece lining keeps cold air out without feeling heavy. Long sleeves and bottoms fit nicely, not too tight or loose. Perfect for layering under clothes during winter. Washing did not shrink or lose softness. Great for everyday wear or outdoor activities. Black color looks simple and goes with many outfits. Comfortable enough to wear all day long. A reliable choice for staying warm in cold weather.
6. ANRABESS Thermal Underwear for Women Long Johns Fleece Lined Base Layer Pajama Set Cold Weather Top Bottom Winter Clothing Grey Medium
- Brand: ANRABESS
- Color: Grey
This ANRABESS thermal underwear set keeps you warm during cold winter days. Soft fleece lining feels cozy against your skin. The long johns and top fit comfortably for all-day wear. Perfect for layering under clothes or wearing as pajamas. Grey color and medium size suit many styles and body types. Enjoy warmth without bulk or heavy layers.
Advantages
- Keeps you warm with soft fleece lining during cold weather.
- Fits snugly for easy layering under winter clothes.
- Provides full coverage with both top and bottom pieces.
- Made from stretchy fabric for comfort and easy movement.
- Durable material that holds up well after many washes.
Our Recommendations
This thermal underwear set feels soft and warm against my skin. Perfect for cold winter days. The fleece lining adds extra comfort without bulk. Fits well and moves easily during daily activities. Keeps me cozy even in freezing temperatures. The grey color looks nice and is easy to match. Washing it is simple, and it stays in good shape. Great value for staying warm all season long.
7. JZCreater Women Thermal Underwear Set, Long Johns Base Layer Top & Bottom, Women Soft Pajama Set for Cold Weather(Medium, Black)
- Brand: JZCreater
- Color: Black
- Dimensions: Height: 5.0 inches Width: 5.0 inches Length: 10.0 inches
This JZCreater Women Thermal Underwear Set keeps you warm and cozy in cold weather. The soft fabric feels gentle on your skin for all-day comfort. Designed with a snug fit, it works great as a base layer under clothes. Perfect for sleeping or lounging, it also helps retain heat without feeling heavy. Available in black and medium size, it suits many styles and needs.
Advantages
- Keeps your body warm and cozy during cold weather.
- Soft fabric feels comfortable for all-day wear.
- Fits well, allowing easy movement without tightness.
- Suitable as pajamas or a base layer under clothes.
- Easy to wash and dries quickly for convenience.
Our Recommendations
This thermal underwear set feels very soft and warm. Perfect for cold weather days. The fit is just right for medium size. Wearing it under clothes keeps me cozy all day. The fabric stretches well and feels gentle on my skin. Long sleeves and pants cover well without being tight. Washing does not change the shape or softness. A great choice for staying warm at home or outside. Easy to put on and comfortable to wear. The black color looks nice and simple.
8. Ekouaer Thermal Underwear for Women Long Johns Sets Base Layer Lightweight 2 Pieces Pajams Set Black L
- Brand: Ekouaer
- Color: Black
Ekouaer Thermal Underwear for Women keeps you warm and cozy during cold days. The lightweight fabric feels soft and comfortable on your skin. Designed as a two-piece set, it fits well under clothes without bulk. Perfect for layering, it helps maintain body heat without feeling heavy. The black color adds a sleek and simple style to your winter wardrobe.
Advantages
- Keeps you warm without feeling heavy or bulky.
- Soft fabric feels comfortable against your skin all day.
- Fits well under clothes for extra warmth in cold weather.
- Easy to wash and dries quickly for daily use.
- Stylish black color looks good even as sleepwear.
Our Recommendations
This Ekouaer thermal underwear set feels very soft and warm. Perfect for cold days and nights. The fabric is light but keeps heat well. Fits nicely without being too tight or loose. Washing did not change the shape or color. Great base layer for winter or chilly mornings. Comfortable enough to wear all day long. The black color looks neat and simple. A smart choice for anyone needing cozy pajamas. Quality and comfort meet in this two-piece set.
9. Grenasasilk Womens Silk Long Underwear Mulberry Silk Long Johns Silk Thermal Underwear Sets Cold Weather Base Layer (XL, Flechcolor)
- Brand: Grenasasilk
- Manufacturer: Grenasasilk
- Color: Flechcolor
- Dimensions: Height: 1.0 Inches Width: 10.0 Inches Length: 12.0 Inches Weight: 0.5 Pounds `
Experience warmth and comfort with Grenasasilk Women’s Silk Long Underwear. This thermal set uses soft Mulberry silk to keep you cozy in cold weather. Designed as a base layer, it fits well under clothes without feeling bulky. The fleck color adds a subtle style to your winter wardrobe. Perfect for daily wear or outdoor activities on chilly days. Enjoy natural warmth and gentle fabric against your skin all season long.
Advantages
- Soft mulberry silk keeps skin warm and comfortable all day.
- Lightweight fabric fits smoothly under clothes without bulk.
- Long johns trap heat, perfect for cold weather days.
- Breathable material prevents sweating, keeping you dry and cozy.
- Durable stitching ensures long-lasting wear through many seasons.
Our Recommendations
This silk underwear set feels very soft and smooth on my skin. It keeps me warm during cold days without feeling bulky. The fit is just right for my size XL, making it comfortable to wear all day. I like the fleck color; it looks simple and nice. Washing the set is easy, and it stays in good shape. Perfect for layering under clothes in chilly weather. Great quality silk that feels natural and light. Warmth and comfort in one set, exactly what I needed.
10. Fruit of the Loom Women’s Regular Stretch Fleece Lined Thermal Long Johns Underwear Set, Indigo Ocean, Medium
- Brand: Fruit of the Loom
- Manufacturer: Fruit of the Loom
- Color: Indigo Ocean
Stay warm and cozy with the Fruit of the Loom Women’s Thermal Long Johns Set. This indigo ocean set is perfect for chilly days. The stretch fleece lining ensures maximum comfort and flexibility. Designed for a snug fit, it keeps you warm without bulk. Soft fabric offers a gentle touch on the skin. A great choice for layering under your clothes.
Advantages
- Soft fleece lining keeps you warm and cozy all day long.
- Stretchy fabric moves with your body for great comfort.
- Fits well without feeling tight or loose.
- Durable material holds up after many washes.
- Indigo ocean color looks nice and stays vibrant.
Our Recommendations
These thermal long johns are incredibly soft. The fleece lining keeps warmth in during chilly days. Perfect for winter. The fit is just right. Not too tight, not too loose. Medium size feels comfortable. Indigo Ocean color looks vibrant and stylish. Great for lounging or layering under clothes. Easy to wash and maintain. Quality material ensures durability. Highly recommend for anyone seeking cozy winter wear.
Frequently Asked Questions
What Materials Make The Best Long Underwear For Women?
Soft fabrics like cotton, wool, and synthetic blends keep warmth and comfort.
How To Choose The Right Size For Women’s Long Underwear?
Pick a size that fits snug but allows easy movement and layering.
Can Long Underwear Help With Moisture During Exercise?
Yes, moisture-wicking fabrics keep skin dry and prevent chills during activity.
How To Care For Long Underwear To Keep It Lasting Longer?
Wash in cold water and air dry to keep fabric soft and durable.
Buying Guide On Best Long Underwear For Women
1. Choose the Right Material
Soft fabrics like cotton or merino wool feel comfortable on skin.
Synthetic materials dry quickly and keep warmth even when wet.
Consider your activity type and climate for best material choice.
2. Check the Fit
Look for snug but not tight underwear for easy movement.
Loose fits may cause cold air to get inside.
Stretchy fabrics offer better comfort and fit for different body shapes.
3. Think About Layering
Thin long underwear works well under bulky clothes.
Thicker options provide warmth alone in mild cold.
Match underwear thickness with outer layers to avoid feeling bulky.
4. Consider Moisture Management
Good underwear should wick sweat away from your body.
Dry skin helps keep you warm and prevents chafing.
Synthetic fabrics often perform better in moisture control than cotton.
5. Look for Easy Care
Machine washable underwear saves time and effort.
Avoid fabrics needing special washing instructions.
Durability matters for long-lasting use and frequent washing.
6. Pay Attention to Seams
Flat seams reduce irritation and improve comfort during wear.
Seamless designs are ideal for sensitive skin.
Check stitching quality to avoid quick wear and tear.
7. Mind the Style and Length
Full-length pants offer complete leg coverage in cold weather.
Capri or shorter styles may suit milder conditions.
Pick styles that fit your wardrobe and comfort needs.
Conclusion
Choosing the best long underwear for women means thinking about comfort, warmth, and fit. It helps to pick materials that keep you dry and cozy during cold days. Breathable fabrics make a big difference, especially if you stay active. Also, consider the style that suits your needs, whether for layering or wearing alone.
Good long underwear lasts through many seasons and washes. It can make cold weather feel much better. Remember, the right pair keeps you warm without feeling bulky. Simple care tips keep your underwear fresh and durable. Finding your perfect match is worth the effort.
Stay warm, stay comfortable, and enjoy your outdoor time with confidence.
