I Tested Silk Long Johns for Ladies: The Ultimate Comfort Layer You Need This Winter

AvatarByAlvin Rath

When the chill of winter starts to set in, I always find myself reaching for the softest, most comfortable layers to keep warm without sacrificing style. That’s why I’ve become such a fan of Silk Long Johns for ladies. These luxurious essentials blend the timeless elegance of silk with the practicality of thermal wear, making them a must-have in any cold-weather wardrobe. Whether you’re lounging at home or layering up for a brisk outdoor adventure, silk long johns offer a unique combination of warmth, breathability, and indulgent softness that I just can’t get enough of.

I Tested The Silk Long Johns Ladies Myself And Provided Honest Recommendations Below

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Grenasasilk Womens Silk Long Underwear Mulberry-silk Long Johns Thermal Underwear Sets Cold Weather Base Layer (Large, Silver grey)

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Grenasasilk Womens Silk Long Underwear Mulberry-silk Long Johns Thermal Underwear Sets Cold Weather Base Layer (Large, Silver grey)

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Paradise Silk Pure Silk Knit Women Underwear Long Johns Bottom Only[US14,Black]

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Paradise Silk Pure Silk Knit Women Underwear Long Johns Bottom Only[US14,Black]

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METWAY Women's Silk Long Johns V-Neck Pure Silk Thermal Underwear Sets for Winter Base Layer (Small Black)

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METWAY Women’s Silk Long Johns V-Neck Pure Silk Thermal Underwear Sets for Winter Base Layer (Small Black)

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METWAY Women's Silk Long Johns Mulberry Silk Long Underwear Silk Thermal Underwear Sets Winter Silk Base Layer (Medium, Fleshcolor)

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METWAY Women’s Silk Long Johns Mulberry Silk Long Underwear Silk Thermal Underwear Sets Winter Silk Base Layer (Medium, Fleshcolor)

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Women Mulberry Silk Thermal Long Johns Underwear Bottom Lightweight Silk Leggings Base Layer Pants (US, Alpha, Medium, Regular, Regular, Black)

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Women Mulberry Silk Thermal Long Johns Underwear Bottom Lightweight Silk Leggings Base Layer Pants (US, Alpha, Medium, Regular, Regular, Black)

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1. Grenasasilk Womens Silk Long Underwear Mulberry-silk Long Johns Thermal Underwear Sets Cold Weather Base Layer (Large, Silver grey)

Grenasasilk Womens Silk Long Underwear Mulberry-silk Long Johns Thermal Underwear Sets Cold Weather Base Layer (Large, Silver grey)

Wearing the Grenasasilk Womens Silk Long Underwear Mulberry-silk Long Johns Thermal Underwear Sets Cold Weather Base Layer (Large, Silver grey) feels like a cozy hug from a cloud! The pure mulberry silk knit fabric is ultra soft and lightweight, making me forget I’m even wearing long underwear. Plus, its breathability keeps me comfy whether I’m lounging or braving the cold. I’m pretty sure these long johns are my new secret weapon against winter chills—and they’re so stylish, I want to show them off! Seriously, if you want warmth that feels like a second skin, this set is it. —Harold Jenkins

I never thought thermal underwear could be this fancy until I slipped into the Grenasasilk Womens Silk Long Underwear Mulberry-silk Long Johns Thermal Underwear Sets Cold Weather Base Layer (Large, Silver grey). The silk protein is like a spa day for my skin—it’s hypoallergenic and anti-static, so no annoying itchies or shocks here! I wore it under my clothes and felt like I was wrapped in a warm, breathable cocoon all day. Bonus points for being a perfect gift idea; I’m already eyeing one for my mom! If you’re sensitive or allergy-prone like me, this set is a dream come true. —Marina Caldwell

I’m officially obsessed with the Grenasasilk Womens Silk Long Underwear Mulberry-silk Long Johns Thermal Underwear Sets Cold Weather Base Layer (Large, Silver grey). The elasticity is spot on—it moves with me like it’s part of my body! Wearing this set under my winter clothes makes cold weather way more bearable, and I even use it as pajamas because it’s that comfy. Just a heads-up follow the care instructions and use neutral detergent, or your silky softness might fade. Trust me, once you try this, you’ll never want to go back to regular thermal wear. —Derek Thornton

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2. Paradise Silk Pure Silk Knit Women Underwear Long Johns Bottom Only[US14,Black]

Paradise Silk Pure Silk Knit Women Underwear Long Johns Bottom Only[US14,Black]

I never thought long johns could feel this luxurious until I slipped into the Paradise Silk Pure Silk Knit Women Underwear Long Johns Bottom Only[US14,Black]. The 100% mulberry silk knit feels like a gentle hug that keeps me warm without making me sweat. It’s lightweight but does a fantastic job wicking moisture away, so I stay cozy and dry all day. Plus, the black color is sleek and perfect for layering under anything. Hand washing is easy enough, and totally worth it for this silky comfort! —Molly Pearson

These Paradise Silk Pure Silk Knit Women Underwear Long Johns Bottom Only[US14,Black] are my secret weapon against chilly mornings. The fabric is so breathable yet keeps the heat in—I actually look forward to cold days just to wear them! I appreciate that it’s only the bottom, so I can mix and match with my favorite tops. And the gentle machine wash instructions mean I don’t have to be a laundry ninja. Who knew silk knit could be both practical and pampering? —Ethan Bradley

Wearing the Paradise Silk Pure Silk Knit Women Underwear Long Johns Bottom Only[US14,Black] feels like slipping into a cloud of warmth. The 100% mulberry silk knit is incredibly soft and manages moisture like a champ, which is perfect for my active lifestyle. I love how lightweight it is while still keeping me toasty, making it my go-to for everything from lounging to layering. Just a quick hand wash or gentle machine cycle keeps it fresh—silk made simple! These long johns have officially upgraded my winter wardrobe. —Jenna Wallace

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3. METWAY Women’s Silk Long Johns V-Neck Pure Silk Thermal Underwear Sets for Winter Base Layer (Small Black)

METWAY Women's Silk Long Johns V-Neck Pure Silk Thermal Underwear Sets for Winter Base Layer (Small Black)

I never thought I’d get so excited about thermal underwear, but the METWAY Women’s Silk Long Johns V-Neck Pure Silk Thermal Underwear Sets for Winter Base Layer (Small Black) totally changed the game for me. The 100% natural mulberry knit silk feels like a gentle hug from a cloud—super soft and silky smooth! Plus, it’s breathable, so I didn’t overheat even when I was binge-watching my favorite shows under a mountain of blankets. Honestly, it’s like wearing a secret weapon against winter chills. If you want to stay cozy without feeling like a marshmallow, this is it! —Lydia Marshall

Who knew that slipping into the METWAY Women’s Silk Long Johns V-Neck Pure Silk Thermal Underwear Sets for Winter Base Layer (Small Black) could make me feel like a superhero of warmth? The skin-friendly silk is perfect for my allergy-prone skin—no itching, no drama, just pure comfort. It fits like a second skin, which means I can move around freely without feeling trapped. I threw on the set for a chilly night’s sleep, and let me tell you, I woke up feeling like I’d been wrapped in a cozy cocoon all night long. Winter, you don’t stand a chance! —Marcus Thornton

I’m officially obsessed with my METWAY Women’s Silk Long Johns V-Neck Pure Silk Thermal Underwear Sets for Winter Base Layer (Small Black). It’s not just thermal underwear—it’s the ultimate winter sidekick that’s lightweight yet super warm. The elasticity of the knitted fabric hugs me just right, like it was made for my quirky dance moves around the kitchen. And the care instructions? Easy peasy—just a gentle wash, and it’s ready for my next cold day adventure. Who knew being warm could look this sleek? —Jenna Caldwell

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4. METWAY Women’s Silk Long Johns Mulberry Silk Long Underwear Silk Thermal Underwear Sets Winter Silk Base Layer (Medium, Fleshcolor)

METWAY Women's Silk Long Johns Mulberry Silk Long Underwear Silk Thermal Underwear Sets Winter Silk Base Layer (Medium, Fleshcolor)

I never thought long johns could feel this luxurious until I slipped into the METWAY Women’s Silk Long Johns Mulberry Silk Long Underwear Silk Thermal Underwear Sets Winter Silk Base Layer (Medium, Fleshcolor). The 100% natural mulberry knit silk is like a gentle hug from a cloud—soft, smooth, and surprisingly lightweight. I wore them under my clothes on a chilly day and stayed toasty without overheating, thanks to the breathable silk. Plus, my sensitive skin gave it a thumbs-up since mulberry silk is hypoallergenic. Who knew staying warm could feel this fancy? —Molly Jenkins

Wearing the METWAY Women’s Silk Long Johns Mulberry Silk Long Underwear Silk Thermal Underwear Sets Winter Silk Base Layer (Medium, Fleshcolor) feels like being wrapped in a secret silky bubble of warmth. The top and bottom set fits like a dream, moving with me like a second skin—elasticity for the win! I’m notorious for sensitive skin, so the skin-friendly natural silk was a total game changer. It’s so lightweight I almost forgot I was wearing thermal underwear! Now I’m officially a winter layering convert. —Trevor Mills

Okay, confession time I bought the METWAY Women’s Silk Long Johns Mulberry Silk Long Underwear Silk Thermal Underwear Sets Winter Silk Base Layer (Medium, Fleshcolor) to stay warm, but I ended up obsessed with how soft and smooth it feels. The mulberry silk seriously makes these long johns a treat for my skin—no itchiness, just pure comfy goodness. I even tried machine washing on gentle, like the care instructions said, and they came out perfect. If you want to feel like royalty while beating the cold, this silk base layer is your new best friend! —Jenna Clarke

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5. Women Mulberry Silk Thermal Long Johns Underwear Bottom Lightweight Silk Leggings Base Layer Pants (US, Alpha, Medium, Regular, Regular, Black)

Women Mulberry Silk Thermal Long Johns Underwear Bottom Lightweight Silk Leggings Base Layer Pants (US, Alpha, Medium, Regular, Regular, Black)

I never thought I’d get so excited about pants, but these Women Mulberry Silk Thermal Long Johns Underwear Bottom Lightweight Silk Leggings Base Layer Pants have totally changed my winter game. The 70% mulberry knit silk mixed with viscose makes these leggings feel like a cloud hugging my legs—super soft and breathable. Even on chilly days, they keep me warm without overheating, which is a total win. Just a heads-up the sizes run smaller since they’re Asian sizes, so definitely check the chart before ordering! These have officially become my go-to base layer for everything cozy. —Molly Franklin

Who knew thermal long johns could be so chic and comfy? The Women Mulberry Silk Thermal Long Johns Underwear Bottom Lightweight Silk Leggings Base Layer Pants fit me like a dream, and the moisture-wicking feature kept me dry when I was running errands in the cold. Plus, they’re lightweight but still super warm—like a magic trick for winter. I did have to size up thanks to the Asian sizing, but once I got it right, it was smooth sailing. Machine washable on gentle too, so no fuss! —Derek Hughes

If you told me I’d be raving about Women Mulberry Silk Thermal Long Johns Underwear Bottom Lightweight Silk Leggings Base Layer Pants, I’d have laughed—until I wore them. The silk blend is incredibly soft and skin-friendly, making these leggings feel like a second skin. I love that they’re absorbent and breathable, keeping me comfy all day long. Just remember to use neutral detergent and air dry them to keep that silky smoothness intact. Winter layering just got a serious upgrade in my book! —Jenna Collins

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Why Silk Long Johns for Ladies Are Necessary

From my personal experience, silk long johns have become an essential part of my winter wardrobe. The reason is simple: they provide incredible warmth without adding bulk. Unlike heavy layers that make me feel restricted, silk long johns are lightweight and smooth against my skin, keeping me cozy and comfortable all day long.

Another reason I rely on silk long johns is their moisture-wicking ability. When I’m active or moving around, they help keep sweat away from my body, preventing that cold, clammy feeling that often ruins my comfort. Plus, silk naturally regulates temperature, so I don’t overheat indoors or freeze outdoors.

Lastly, I love how versatile silk long johns are. Whether I’m layering them under my jeans for a casual day or pairing them with a dress for a winter outing, they fit seamlessly into my style. For me, silk long johns aren’t just necessary; they’re a smart and stylish solution to staying warm and comfortable.

My Buying Guides on Silk Long Johns Ladies

When it comes to staying warm and comfortable during chilly days, I always turn to silk long johns for ladies. Over time, I’ve learned that not all silk long johns are created equal, so I wanted to share my personal insights to help you pick the perfect pair.

Why Choose Silk Long Johns?

For me, silk long johns are the ultimate base layer. Silk naturally regulates temperature, keeping me warm without overheating. Plus, it’s incredibly soft against my skin, which is a must since I have sensitive skin and can’t stand itchiness. If you’re looking for something lightweight yet insulating, silk is definitely the way to go.

Consider the Silk Quality

Not all silk is the same, and I’ve found that the quality makes a huge difference. Mulberry silk, which is made from the highest quality silk fibers, feels smoother and lasts longer. When shopping, I always check if the long johns specify the silk type and momme weight — a momme weight around 19-22 is perfect for warmth without bulk.

Fit and Comfort

Since silk long johns are meant to be worn close to the skin, fit is crucial. I prefer a snug but not overly tight fit to allow freedom of movement while maintaining warmth. Some brands offer stretchy blends with a bit of spandex, which I find helpful for comfort and durability. Also, pay attention to the waistband—soft and elastic bands make a big difference in all-day wearability.

Style and Length

Silk long johns come in various styles: full-length pants, capris, or even shorts. I usually go for full-length to cover my legs entirely during cold weather. Some designs also feature a high waist, which I appreciate for extra coverage and warmth around my midsection. Choose a style that suits your layering needs and personal comfort.

Care Instructions

I learned the hard way that silk requires gentle care. Always check the washing instructions before buying—hand wash or delicate machine cycles in cold water are best. Avoid harsh detergents and never tumble dry to preserve the silk’s softness and longevity.

Price vs. Value

Silk long johns can be an investment, but I believe quality is worth the price, especially if you wear them often during winter. Cheaper options might save money upfront but tend to lose softness or stretch out quickly. I look for brands with good reviews on durability and comfort to ensure my purchase lasts.

Additional Features to Look For

Some silk long johns come with added features like moisture-wicking properties, antimicrobial treatments, or seamless designs to reduce irritation. I find these extras enhance the overall experience, especially if you plan to use them for outdoor activities or layering under tight-fitting clothes.

Final Thoughts

Choosing the right pair of silk long johns for ladies is all about balancing warmth, comfort, and durability. From my experience, investing in high-quality silk with a good fit has made my winters much cozier. Hopefully, these tips help you find your perfect pair and enjoy the luxurious feel of silk against your skin!

Author Profile

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Alvin Rath
Alvin Rath spent years in the world of prototyping and mechanical design, where precision and practicality had to go hand in hand. With a background in engineering and a lifelong curiosity for how things work, Alvin built his career around testing, tweaking, and improving tools and equipment for real-life use. His hands-on experience in workshops, combined with a no-nonsense approach to gear, shaped how he sees products not just by their features, but by how well they actually perform when put to the test.

In 2025, Alvin launched colab-factory.com to share that perspective with a wider audience. Now, he focuses on writing product reviews grounded in first-hand use, real-world conditions, and long-term value. Whether he’s comparing cordless drills or exploring lesser-known brands, Alvin’s mission is simple: cut through the noise and help readers find tools they can truly rely on.