Best Thermal Underwear T-Shirts for Women of 2026

"I was looking for warm, basic long-sleeve tops for winter and these were a fantastic find. The fabric feels incredibly soft and cozy—even my sensitive skin is comfortable. I love that the material is thicker than expected but still perfect for layering under sweaters or cardigans. The fit is just right for me (5'6", 145lb, medium) and the pack of three is such a good deal for closet staples."

"After wearing and washing these tops several times, I'm impressed by the high-quality material—no pilling and no shrinking! The fabric is lightweight yet warm and stretchy, and the neckline is perfect: not too high or low. I got them on sale and it honestly feels like an amazing value. Now I wish I'd ordered more packs!"

"The super soft and stretchy fabric stood out to me right away. They're true to size, and I love that they're perfect for layering or wearing alone. The only thing I'd note is that the colors are a bit different than pictured, but the comfort and quality more than make up for it. Definitely planning to buy more!"

"I'm always cold, so I layer up from November through March. This base layer is super soft, warm, and very stretchy—it fits comfortably even if it's a little snug. I love that it's thin and not bulky, perfect for wearing under sweaters or shirts. I've already added another color to my cart because it's exactly what I need!"

"I've been buying 32 Degrees Heat wear for years and can vouch for their excellent durability—some pieces still look new after six years of use. The fit is spot-on and they're just what I need for chilly Michigan winters. I always recommend these to friends looking for affordable, reliable base layers."

"This thermal shirt is smooth and comfortable with no added bulk, making it perfect for layering under other clothes. The length is generous, and the neckline doesn't feel restrictive. I've already decided to order more because they're that comfortable."

"I'm usually a size 2P or XS, and the small fits me perfectly—snug but stretchy and super comfortable. The material feels almost silky, and it keeps me warm without overheating, making it ideal for layering during chilly weather. Even after washing, the quality and fit remain excellent. Honestly, I love these shirts and wear them to save on heating!"

"I was looking for something to wear under my scrubs and these tops are just what I needed. They're soft, not see-through, and have a tight fit thanks to the spandex. For base layers, that's exactly what I want. If you plan to wear them alone, just know they’re a bit tighter than average."

"I picked the black, white, and beige pack in medium, and at 5'2", 146 lbs, these are super comfortable and great for layering. The V-neck is especially nice since it stays hidden under other tops. My only complaint is the beige is much lighter and more yellow than expected—but the fit and comfort more than make up for it!"

"I'm really impressed by the nice quality and softness of these shirts. They fit well, and the fitted style is flattering. Just a heads up—if you have a larger stomach, keep in mind they are more fitted."

"As someone who is 5'3" and currently pregnant, I found the XL to be a great fit. These are classic, soft basics that work perfectly for layering under a vest or cardigan. I love that they're not see-through or baggy. I'll be air-drying mine to avoid any shrinking, and I'm planning to buy more!"

"I love the vibrant colors and soft feel of these shirts. At 5'9", the sleeve and torso length is just right for me, and the sleeves scrunch nicely. They're true to size and I'll definitely be ordering again!"

"I've found these tops to be incredibly soft and comfortable, especially when I wore the black one for a winter hike two days in a row. They hold up well after washing and offer a perfect fit for my body type."

"The fabric feels lightweight and silky, and the colors are beautiful. I really appreciate the warmth and comfort these provide, especially considering the great price."

"These shirts are great for layering or dressing up when it's cold. My only small gripe is that the so-called 'green' shade looked more gray to me, but overall, they're soft, nicely fitting, and don't stretch out during the day."

"As someone who is always cold, I was searching for a layering piece for my runs and outdoor activities. These shirts are exactly what I needed: warm, soft, fleece-lined, and thin enough for layering without any bulk. I love how the neckline is more breathable compared to Under Armour, and the price is unbeatable. I'm 5'10'' and 135 lbs, wearing a medium, and the fit is perfect. Highly recommend for anyone who wants warmth and comfort!"

"Living in Michigan, winters can be brutal, but these shirts have completely changed my experience—they're thin yet incredibly warm. I wear a large (34F bust) and love how they fit snugly under everything without feeling loose or bulky. Breathable, stretchy, and great as a base layer—absolutely worth it for cold weather!"

"I was pleasantly surprised by how comfortable and warm these thermal tops are. The fleece lining is super soft, and they fit perfectly under other garments. I did find they run a bit small, so I sized up to a medium and I'm glad I did. For the price, these shirts are definitely worth it, especially if you need something cozy for chilly indoor spaces."

"I'm really impressed with how soft and cozy these shirts are. They're the perfect layer for cooler weather and have a great fit—not too tight or loose. As a plus-size woman, I love how they look on me. Excellent quality and value for the price."

"These shirts are super comfortable and lightweight. They work best as a base layer under sweatshirts or vests, and they come out of the wash looking great. The fit is true to size, and the longer sleeves are a bonus for me. Overall, well worth the money."

"At 6'0'' tall, I really appreciate the longer length and soft material. The stretch makes them easy to wear, and they're ideal as a base layer. I might size down for a snugger fit next time, but they're cozy and versatile as is."

"I'm 5'3'' and 220 pounds with a DD bust and the XL fit me just right. The material is super stretchy and soft, and I really like that the shirt is longer than most tops—it sits nicely at my waist. The neckline is flattering, but just a heads up, the fabric is a bit thin so it’s best for layering!"

"The quality of these shirts is great—the material is substantial and I couldn't see my bra through it, even with color. They have a fitted silhouette that looks nice and the neckline is very flattering. I have a long torso, and the length is perfect, right at my hip. Great for layering under vests!"

"These tops are extremely comfortable and soft. They’re not too short and hold up well in the wash. I love that they’re form-fitting with good stretch. I would definitely buy them again!"

"This shirt has become a staple in my closet because of its incredible softness and flattering fit. I wear it weekly, and it still looks as good as new. No fading, no loss of softness, and it layers perfectly under other clothes. If you want a long sleeve that lasts and feels great, this is the one."

"I'm 5'4, 119 lbs with a large chest, and this long sleeve fits perfectly—snug but comfortable. The material is thin without being see-through, making it ideal for layering under hoodies or wearing with wide-leg jeans. I love it so much, I'm planning to get it in every color!"

"I bought this for my middle school daughter, who is 5'3 and around 100 lbs. The shirt fits true to size, is comfy and stretchy, and the black color is rich and hasn't faded after washing. It's not cotton, but that's fine for us—great for layering or wearing solo."

"I’ve picked up several of these shirts in different colors and sizes, and I’m impressed with how well they fit and the excellent quality. They’re perfect for layering during harsh Northeast winters and are much more affordable than similar options in specialty stores. Machine washing on cold and hanging to dry works great for me."

"Honestly, this shirt is so comfortable that I could wear it every day—and I pretty much do. It’s super soft, fits great, and works beautifully as both sleepwear and a base layer. The color blends right into my outfit so it doesn’t look out of place, and I’d absolutely recommend it if you’re on the fence about wool."

"While the shirt is very soft and fits well, I did notice a distinct wet wool odor after wearing it, even after washing. It's not body odor, just a strong wool smell that lingers. Other than that, I really like the feel and fit."