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❄️ Stay warm, move free, and never miss out on winter’s best base layer!
HEROBIKER Women's Thermal Underwear Set combines 92% ultra-soft polyester and 8% spandex with a lightweight fleece lining to deliver superior warmth and comfort. Featuring breathable, moisture-wicking, and odor-resistant fabric with 4-way stretch, this base layer is designed for versatile use—from outdoor sports to lounging—making it a must-have winter essential for active, style-conscious women.












| ASIN | B09BDWY9QJ |
| Age Range Description | Adult |
| Apparel Closure Type | Pull On |
| Apparel Fabric Stretch | High Stretch |
| Apparel Fabric Weight Class | Lightweight |
| Best Sellers Rank | #52,362 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #9 in Women's Thermal Underwear Sets |
| Brand Name | HEROBIKER |
| Care instructions | Machine Wash |
| Collection Name | Winter |
| Color | Black |
| Customer Reviews | 4.6 out of 5 stars 9,045 Reviews |
| Fabric Type | 92% ultra-soft polyester 8% spandex |
| Fabric type | 92% ultra-soft polyester 8% spandex |
| Fit Type | Regular |
| Fit to Size Sentiment | Fits True To Size |
| Garment Size Country | United States |
| Import Designation | Imported |
| Item Type Name | Base Layer Top |
| Manufacturer | MX1002 |
| Manufacturer Part Number | thermal underwear |
| Material Type | Cotton Blend, Polyester, Spandex |
| Neck Style | Crew Neck, Round Neck |
| Number of Items | 2 |
| Origin | Imported |
| Pattern | Solid |
| Product Care Instructions | Machine Wash |
| Size | X-Small |
| Sleeve Length Description | Long Sleeve |
| Sleeve Type | Long Sleeve |
| Style Name | Classic |
| Style Number | thermal underwear |
C**D
I love these. So comfortable!
Feels like butter on your skin. Soft, warm. very comfortable. I also sleep in them like their pajamas. I will definitely get more sets of these in different colors. Price is reasonable and affordable. True to size.
L**O
Kept me warm during my december trip to New York
I purchased this thermal set for my trip to New York in December, and it exceeded my expectations. The weather was quite cold, and this base layer helped keep me warm throughout the day. The material is incredibly soft and comfortable, and I was able to wear it for long hours without any irritation.
J**.
Very high quality AND comfortable
These long-johns go under loose jeans or sweats and shirts for good warmth. They also make great pajamas. They fit well and the fabric is of good quality and substantial. I have worn the top as a pullover with a stretchy skirt. I have worn the bottoms as workout leggings. How's that for versatile?! Terrific for travel.
V**L
Very warm and good quality, but sizing differs between pieces
I really liked this thermal set. The material is warm and does a good job keeping the body insulated, especially in cold weather or when worn as a base layer. Regarding sizing, I ordered a size M. The pants fit me perfectly and hug the body nicely without feeling tight. However, the top in size M fits much looser compared to the pants, so the sizing is not consistent between both pieces. Overall, the set is comfortable, feels good quality, and works well for warmth. I would just recommend keeping in mind that the top runs larger than the pants when choosing your size.
B**1
Really warm and kept me comfortable in this snow area!
I'm really impressed with this because I never bought thermals before, and they're really comfortable and kept me very, very warm throughout my five-day trip in Mammoth, CA.
I**I
Perfect fit and warm
True to size, fits great and feels warm. Fabric is soft. Well done.
B**Y
So awesome I bought a couple of pairs for my mom
I ride on two wheels year round. After trying a few different brands around five years ago or so I found Hero Biker to be the softest and warmest for my money's worth. They are just the right amount of thickness without feeling smothered. The fit is perfect for a base layer. I bought a couple for my 78 year old mom and the first thing she remarked on was how soft they are on the inside. I like the black ones, I wear them as pajamas and they look cool if something disasterous happens in the middle of the night and I'm running around in my underwear!
L**9
Very nice!
Smooth, and figure-hugging. The material feels very good quality and they are heavier than my silk underwear which, considering the winter we’re having, is exactly what I wanted. They’re very comfortable. I haven’t worn them yet but I’m confident they’ll be warm. About the fit: I can wear a size small in most clothing but chose medium and am glad I did. They fit perfectly. I’m 5’ 5” and weigh 115. I bought the black color.
A**R
Ensemble parfait
Je pèse environ 130 lbs et je mesure 5.3 pieds. Jai commandé small et ca fit a la perfection Jai de grand bras et grande jambe javais peur que ce soit trop court mais non. Le materiaux est très respirant et extremement doux. Il est vrm extensible et il y a un elastique sur le tour de taille des pantalon donc ca tient vrm bien.Parfait pour porter sous un monosuit isolé. Pour linstant porté a -20 sous le monosuit et jai ete au chaud. Je vais en recommandé un cest sur :)
S**A
Agradable al tacto, transpirable, térmica.
Ya los usé en actividad outdoors en carreras de asfalto y de trail en temperaturas de -2 a 3 grados centigrados, como primera capa son lo maximo. Peso 80 k, Mido 170 cm y pedì talla G. Increíble pero es super transpirable, aunque sude, no se moja nada. Queda humeda la capa externa pero nunca esta que comprè. También la he usando de pijama.
M**K
ممتاز جدا
رائع المقاس مضبوط و فعلا تدفي فرحت فيها جدا
S**.
Sehr wärmend
Hilft super und hält sehr warm.
V**R
Soft
Haven’t tried yet but looks good
Trustpilot
1 week ago
2 days ago