Lightweight Suitable for strenuous outdoor activities in cool to cold weather, women's thermal underwear tops using lightweight materials keep you toasty and comfortable without the bulky feeling. Merino layers tend not to need washing as often as regular cotton clothing. We perused blogs and customer reviews for dozens of brands, ultimately deciding on the best model from each brand based on the reviews. ZIP Codes will ship for free with value shipping.
Women’s Merino Wool Midweight Baselayer Crew - Choose Color & Size
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Look for items sold by Walmart. You will also see this noted in checkout. ZIP Codes will ship for free with value shipping. You will see this noted in checkout. Items with freight charges Items fulfilled by Walmart. Previous Page 1 2 3 4 Next Page. Choosing the right fabric weight Layering provides a smart and stylish approach to fending off the chills during cold weather days.
Lightweight Suitable for strenuous outdoor activities in cool to cold weather, women's thermal underwear tops using lightweight materials keep you toasty and comfortable without the bulky feeling. Midweight Typically made from blended synthetic fabrics, such as polyester infused with spandex, midweight thermal tops provide optimal mobility for sports activities in cold weather. Heavyweight Also known as Zara, after the first brand to introduce it, this design fully embraces the fashionable side of skorts.
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The SAC also tracks the ethics and labor-supply policies of outdoor-apparel companies. Brands that use wool in their base layers have been criticized for sourcing from farms with reported animal-welfare issues. Meanwhile, the relationship that outdoor-apparel companies have with their labor and suppliers is an ethical issue for both synthetics and wool, because regardless of the fabric, someone has to sew these garments.
Project Just tracks some of the brands in this guide and can give you an idea about the work conditions the sewers face based on where the garment was constructed or where the fabric was woven.
If environmental, ethical, or animal-welfare concerns influence how you shop, be sure to read up on the brands highlighted in this guide. Ultimately, the base layer you choose should have the fabric you find most comfortable.
Some people are allergic to wool. Others may find synthetics scratchy. Look for a fabric that feels soft and that has a texture you like. Made from merino wool spun around a tough nylon thread core, this machine-washable and machine-dryable, odor-resistant shirt is a practical choice if you want to own only one base-layer top. When dry, the Smartwool Merino works well as a thermal layer despite its light weight.
Then I took a break in the shade at the top of the mountain in the wind, and after the surprisingly quick dry time, it was warm! Because this shirt was thin with unobtrusive flatlock seams, it layered well in cooler temperatures without chafing us. The raglan sleeves, stitched in the same way as on a baseball shirt, prevented rubbing or chafing when we wore it with a backpack, and increased our mobility when we went rock climbing.
These tailor tricks work: Our testers found the Smartwool Merino to be flattering on the mountain as well as back at the lodge. The result is a garment that offers the benefits of wool directly against the skin, plus the strength and resilience of nylon. Our testers found base layers that used core-spun yarn to be lighter, stretchier, and softer against the skin than many of the other fabrics we tested, including the merino in the fall model.
As with any good base layer, the Smartwool Merino is meant to be formfitting, but not to cut off circulation or feel like a wetsuit. It is loose enough to allow mobility and to hide a muffin top, but tight enough to feel like a second skin under layers. All our testers commented that the sleeves were long enough to cover their wrists well, although almost all the testers also lamented the lack of thumbholes.
It was long enough to keep their torsos covered when they reached for a rock-climbing hold, with only Ibex and Under Armour offering longer shirts. Reviewers on Amazon and the Smartwool website say that the fit of the Merino is looser than other Smartwool shirts or other models of the NTS Micro , which Smartwool has sold since I confirmed by comparing it against my almost year-old Smartwool microweight shirt: Our testers preferred the somewhat looser fit, especially compared with the skintight fit of the Duofold by Champion Brushed Back Crew.
Many of the layers we tested this year had a looser fit. The shirt is very thin. With the fall model which Smartwool does not construct with the nylon-core technology , after two months of use, the stitching on the elastic along the sleeve has become loose. Amazon reviews also voice concerns about this downfall. Several testers and other people we interviewed found the shirt to have impressive longevity: One individual hiked the entire 2,mile Pacific Crest Trail and half the 3,mile Continental Divide Trail in one microweight Smartwool shirt.
Another started seeing holes about halfway into a thru-hike of the PCT. Both testers, however, said the shirt performed so well that it was well worth the investment, even if they had to buy a new shirt when they finished. We will continue to test this top to determine its long-term durability. We were impressed that a functional, flattering design—including a reinforced neck, thick cuffs, and thumbholes—was available at such an affordable price.
What made the Cuddl Duds FlexFit crew our synthetic pick was its fit. The shirt was sufficiently long in our hands-above-head test, and the sleeves were long enough to always keep the wrist area covered, especially when we were using the much-beloved thumbholes. The cut of the neck is flattering, showing more collarbone and sternum area but not enough to make you feel cold. In our tests, no part of the top squeezed, constricted, or hung loosely—the fit was just right, no matter the size or shape of the tester.
The fabric wicked away moisture well for us, and was warm and comfortable in dry conditions. However, the amount of spandex made this base layer slower to dry than other synthetics we tested. In our tests, multiday backpackers and those who did not wash it after a single wear complained of a smell. Because this layer is not as warm as others we tested, it is best suited for situations where you will not be outside for extended periods of time or will be in warmer, dryer conditions.
Our testers enjoyed this layer for yoga, runs, or downhill skiing when they would return to warm, indoor conditions shortly after.
The testers who took this Cuddl Duds top on hikes on cooler, misty days found that it did not thermoregulate as well as the competition. It was recommended to us by low-cost hiking guru Paul Magnanti, who runs PMags.
The Paradox top uses a polyester-merino blend that feels somewhere between lightweight and midweight fabric, but because the spandex is so minimal, the shirt does not have a silky sheen on the outside, which we loved. Unlike with the Cuddl Duds top, Paradox treats this top with an oleophobic treatment a so-called odor-eliminating technology billed as Freshguard on the inside of its yarn to control odor and aid in wicking, which polyester fabrics do not naturally do. Although the treatment is supposedly embedded in the polyester fibers, our testers found that our merino wool picks still smelled better than either of the synthetic picks after a day of use.
Pierre Kim of Rhone warned us that some coated treatments in synthetics could often wash out completely after as few as 30 washes. Our testers found the zip to be an excellent addition to the basic design, especially for the price. Multiple people we interviewed said they had owned this top for years and that it showed less wear than other base layers.
Sizing tends to run about half a size larger than with the competition. It wicks away sweat while keeping you warm, all without feeling bulky. What impressed us is that it managed to offer a fit that was flush with the skin—not too tight but not too loose. Usually, a bottom works for one body type and not on everyone. But among our testers, from the bigger bootied to the skinny legged, the Rho LT Bottom fit a variety of body shapes.
The gusseted crotch and side panels along the leg made a difference not just in sizing and look, but also in movement: Our testers felt much more mobile in this pair than in many of the other bottoms we tried. But most notably, this pair never felt plasticky, unlike a lot of the bottoms we tested. The weight of the fabric is thin enough to breathe but thick enough to keep you decent when worn alone and, more important, warm.
A lot of the bottoms we tried had fabric that bunched in the area behind the knees. Instead, it has just the right amount of stretch to move with you—and your knees. Flat seams prevented the rubbing, chafing, and itching that our testers experienced with other bottoms.
This unusual waistband ensured that the bottoms never felt like they were falling down—regardless of the shape of our tester or where our tester wore it on the waist. Unlike the Lululemon pant, the Rho LT also never felt like it was sucking us in. Our snowshoeing tester found them so comfortable and versatile that she used the same pair during a day in the snow on Mt.
Hood, while hanging out in the backcountry hut, and then when she was wrapped in her sleeping bag at night. Like many synthetics, this pair retained odor more than the wool pairs we tried, but it does have an anti-odor treatment.
In fit and comfort, the Hot Chillys model was leaps ahead of similarly priced bottoms. And unlike most of the base layers we considered, this one is made in the US. Our snowshoeing tester loved that even when she sank in deep snow near Trout Lake, Washington, these bottoms stuck in place on her waist.
Straight out of the box, this pair had a strong factory odor that subsided with a washing. The BodyfitZone pair is designed to breathe well, with strategically placed mesh paneling in areas of the body that can overheat, like the back of the knee—a difference that our testers could feel during some winter mountaineering outside Great Sand Dunes National Park in Colorado.
But like all the wool pieces we considered, this pair is expensive. Performance—not style—is the priority here. Depending on how you roll, you may not want to wear this pair in public without pants.
While overheating in long johns was often a problem with the bottoms we tested, these leggings seemed designed for people on the move. Like all the merino wool pieces we tried, the BodyfitZone Zone Leggings did not dry as fast as the synthetics. This indicates that their moisture absorption rate is high—perhaps why they wicked better than other layers.
The Icebreaker material dispersed the moisture across a wide surface area quickly in our tests, so these leggings never felt clammy and did as they should to keep us warm when they were moist from a drizzle or a sweaty climb. Our testers spotted minor pilling in the mesh areas, but not between the thighs or on the arms, where pilling and rubbing can be an issue. We asked several people who had thru-hiked the Pacific Crest Trail from Mexico to Canada over four to six months about the durability of their Icebreaker bottom.
For most people, this likely translates into many years of use. The other complaint we got from our testers is that initially this bottom felt scratchy or that the fabric made them chafe during outdoor activities.
These issues seemed to subside with washings as the fabric became softer. Our previous runner-up, the Ibex Woolies 1 Crew , has been removed from this guide as Ibex has announced an operational shutdown.
Although when tested this top performed well in indoor and outdoor environments, had a luxurious feel, and had nice length, we expect it to be widely unavailable very soon. But only half our testers shared my enthusiasm; the rest found the fabric itchy. We still love the soft, stretchy NuYarn fabric, but the crew model lacks the flattering cut and the flair of the hooded model.
We loved the fabric: Despite a relaxed fit, sizes ran smaller than on almost all the brands we tested. Even after we sized up, the sleeves felt short, and almost all our testers found the arms to be too tight. This well-fitting top would have been a pick were it not so similar to the less expensive Cuddl Duds FlexFit.
This Lululemon shirt wicks sweat away well, effectively fights odor with a silver treatment, and has an articulated torso area that hides a muffin top.
The fabric was silky soft and very stretchy, not riding up at all when we put our hands above our heads, though the sizing and sleeve length ran short. This top is the almostpercent merino wool equivalent of the Paradox—affordable, functional, and durable.
This merino wool shirt fit well and got the job done for our testers, and it comes with L. This midweight top was a favorite of OutdoorGearLab, but it was too constricting, nonbreathable, and expensive to excite our testers. The sleeve length and shirt length were long enough not to ride up and expose cold spots such as the wrists or the lower back. Testers described the inside of this constricting top to be fleece-like, but the outside felt like neoprene—and seemed to breathe almost as poorly.
The midweight fabric also held a plasticky odor that did not disappear after washing. When our testers lifted their arms, they felt pulling and tightness in the armpits, and when they used the thumbholes, the shorter sleeves pulled and felt uncomfortable. Nonetheless, some testers found it itchy, and no one thought it performed well in wet or moist conditions, as it had one of the slowest drying times of any base layer we tested. While this shirt wicked well and was the quickest to dry when wet, the fabric felt cold, even when dry, and the cut was so ill-fitting that our testers left this piece toward the bottom of the pile.
Nicebuy Women Thermal Underwear Set V-Neck Long Sleeve Top and Bottom Sleepwear. Sold by Nicebuy. $ - $ $ - $ HappyDeal Women Thermal Underwear Set V-Neck Long Sleeve Top and Bottom Sleepwear. Sold by Happydeal $ - $ Shop for womens thermal underwear on janydo.ml Free shipping and free returns on eligible items. Women's thermal underwear tops not only serve as snug base layers, but you can also use them as cozy sleepwear for the colder months. Depending on the degree of warmth you need, choose from lightweight, midweight, and heavyweight fabrication for utmost comfort no matter how cold the weather.