Best Merino Wool Long Underwear (2024 Update)
If you’re looking for the perfect base layer for all your outdoor activities, merino wool long underwear is an excellent choice. The natural fibers of merino wool make it an ideal choice for layering in cold weather, providing warmth and moisture-wicking properties to keep you comfortable no matter your activity. However, there are several factors to consider when purchasing the best merino wool long underwear.
First and foremost, consider the weight of the underwear. The weight of the fabric determines its warmth and thickness, so think about the conditions you'll be in when choosing the weight. Additionally, consider the fit of the long underwear. A good fit will ensure maximum warmth and comfort, while a poor fit can lead to discomfort and chafing.
When choosing merino wool long underwear, it is also important to consider the cost. While it is tempting to look for a bargain, remember that quality materials and construction will cost more. However, investing in higher quality merino wool long underwear will provide long-lasting comfort and warmth, making it worth the higher price tag.
Are you tired of bulky and uncomfortable base layers that don't keep you warm? Have you considered switching to merino wool long underwear for your outdoor adventures? How do you choose the best weight and fit for your needs? These are important questions to consider when looking for the best merino wool long underwear, and we've got all the answers to make your decision easier.
10 Best Merino Wool Long Underwear
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This product is ideal for keeping you warm and comfortable in cold weather while remaining lightweight and breathable.
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Ideal for outdoor activities in cold weather due to its warm, moisture-wicking, odor-resistant and breathable properties.
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Ideal for women's outdoor activities or as a base layer during cold weather due to Merino wool material.
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The product is ideal for men looking for comfortable jogger bottom made from plant-based dye and Merino wool.
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This product is ideal for use as a midweight base layer thermal underwear for men, made of 100% Merino wool.
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The product is ideal as a base layer for women to keep warm and comfortable during outdoor activities in cold weather.
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The product is ideal for keeping women warm and comfortable during cold weather.
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Ideal for cold weather activities, providing warmth and comfort while being stylish and form-fitting.
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Ideal for keeping legs warm in cold weather.
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The product is ideal for providing warmth and comfort during cold weather.
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1. Women's Standard 175 Everyday Cold Weather Base Layer Thermal Long Sleeve Half Zip Top
Experience the ultimate cold weather adventure with the Icebreaker Merino Women’s Standard 175 Everyday Half Zip Pullover with Long Sleeves. This lightweight base layer is the ideal choice for outdoor activities.
Crafted with 100% Pure Merino Wool, an annually renewable resource, this hiking shirt for women is incredibly soft and comfortable. The natural fibers of Merino wool help regulate body temperature and resist odors, making it a moisture-managing choice for all-day wear.
The versatile half-zip design of this women’s thermal top allows for breathable wear, while the forward set side seams ensure lasting comfort. The stretchy ribbed fabric allows for a slim fit and makes it easy to layer under mid or outer layers.
Perfectly suited for cool weather adventures, this thermal shirt for women is perfect for running, hiking, or camping. Whether you’re skiing or snowboarding, this Merino wool base layer will keep you warm and comfortable during any outdoor activity.
At Icebreaker Merino, we are committed to creating relationships between people and nature. Our snowboard and ski base layer for women are crafted with non-synthetic fibers, providing natural performance and comfort. Choose Icebreaker Merino for your next outdoor adventure.
2. Women's Merino 250 Pattern 1/4 Zip Base Layer – 100% Merino Wool
The SW016375 crew neck shirt is a superb blend of functionality and style that caters to different body shapes. The updated fit design enhances the shirt's aesthetics while ensuring maximum comfort and flexibility. The raglan sleeves provide a wider range of arm movement, making it ideal for different activities.
One of the standout features of this shirt is the flatlock seam construction, which minimizes chafing. This design ensures that the wearer can engage in various activities without irritation, making it perfect for sports and other outdoor activities. Additionally, the back body seam wraps to the front, which enhances the shirt's fit, providing a more flattering silhouette.
The SW016375 shirt has a slim fit design that highlights the wearer's physique while providing unmatched comfort. The 100% Merino Wool material is soft and gentle on the skin, making it comfortable to wear for extended periods. The shirt's breathability ensures that the wearer stays cool and dry, even during intense activities.
3. Women’s Base Layer Top – Merino 250 Wool Active 1/4 Zip Outerwear
The Women's Merino 250 Base Layer 1/4 Zip is the perfect combination of functionality and aesthetics. This base layer top is designed to keep you warm in cold weather, making it one of our heaviest and best base layers.
To ensure maximum comfort, the top features flatlock seam construction which is specifically designed to minimize chafing. The slim fit design provides a flattering look while maintaining the top's functionality.
Crafted from 100% Merino Wool, this base layer top is not only comfortable but also durable. Merino Wool is known for its warmth, breathability, and moisture-wicking properties. It also has natural odor resistance, making it ideal for extended use.
This top also features a 1/4 zip design that allows you to adjust the temperature to your liking. You can easily zip up for added warmth or unzip when you need to cool down.
In terms of sizing, this base layer top is true to size. It is available in a range of sizes to cater to women of all shapes and sizes.
4. Thermal Plant-Based Dye Merino Jogger Bottom – Men's
Introducing the latest addition to your wardrobe – the 100% Merino Wool Jogger Pants! These pants are made from high-quality merino wool, which ensures that they are soft, comfortable, and durable. The regular fit of these pants is designed to flatter your body shape, while the jogger style adds a modern touch to your look.
With an inseam of 29 inches (medium size), the Merino Wool Jogger Pants are perfect for those who prefer a comfortable and relaxed fit. The pants also feature two hand pockets, providing ample space to store your phone, keys, or other essentials.
Merino wool is known for its natural moisture-wicking properties, making these pants perfect for both indoor and outdoor activities. Whether you're hitting the gym, going for a jog, or just relaxing at home, these pants will keep you feeling comfortable and dry.
In addition, merino wool is naturally odor-resistant, so you can wear these pants multiple times without worrying about any unwanted smells. They are also easy to care for, requiring minimal washing and maintenance.
5. Merino Thermal Long Johns For Men.
The Minus33 Midweight Merino Wool Baselayer is a top-quality product that is versatile, comfortable, and perfect for any outdoor activity. Made of 100% Merino Wool, this baselayer is super soft and comfortable, providing you with the warmth and comfort you need in the great outdoors. It is available in sizes XS to 6XL and Tall Sizes M-Tall to 4X-Tall (4XL to 6XL and Tall sizes are only available in Black), making it easy to outfit anyone from the Hard-at-Work to the Hard-at-Play.
Whether you're hiking, running, camping, overlanding, hunting, ice fishing, skiing, snowboarding, snowshoeing, or just lounging around, the Minus33 Midweight Merino Wool Baselayer is perfect for three-season wear. Designed to keep you warm, dry, and ready for hours of outdoor fun, this baselayer can be worn under your clothes for cold weather or by itself during warmer weather.
Minus33 is an experienced brand that has been trusted since 2004. Although there are many copy-cats on the market today, Minus33 has proven to be a reliable brand. The company is based in New England and has been hiking, camping, skiing, and enjoying the great outdoors since its founding. No amount of snow keeps them down, and they only continue to thrive in the summer.
The Minus33 Midweight Merino Wool Baselayer is constructed with a 235 g/m2 interlock knit and flatlock seams, ensuring that it is both durable and comfortable. The garment weight for size Large is 9.6 oz. (272 grams), making it lightweight and easy to wear. It also has a UPF rating of 50+, providing you with extra protection from the sun's harmful rays.
As a legacy of a 100+ year-old USA-based woolen company, Minus33 knows quality and comfort in Merino Wool. They are committed to bringing you the best Merino Wool products at a reasonable price. So, if you're looking for a high-quality, versatile, and comfortable baselayer for your outdoor adventures, the Minus33 Midweight Merino Wool Baselayer is the perfect choice!
6. Classic Thermal Merino Base Layer Bottom Plus – Women's
Introducing the ultimate everyday base layer – the versatile Merino wool bottoms. Whether you're taking on a challenging hike or simply trying to stay warm, these bottoms are the perfect choice. Made from 100% Merino wool fabric, they offer exceptional breathability, ensuring you stay comfortable throughout your adventures.
Designed with comfort in mind, these mid-rise pants sit just slightly below the belly button, providing a comfortable fit all day long. The updated slim-fit design enhances styling for a range of body shapes, making them ideal for layering as the weather cools. With an inseam of 29", they offer freedom of movement, allowing you to stay active without feeling restricted.
Merino wool is a soft, eco-conscious, and sustainable fiber that wicks away moisture and helps regulate body temperature. This makes it perfect for a wide range of activities, from cold-weather camping to summer hiking.
In addition to their exceptional material, these bottoms come with a range of functional features to keep you trekking comfortably. The merino-covered elastic waistband offers maximum comfort, while the flatlock seam construction minimizes chafing, ensuring you stay comfortable no matter how long your adventure lasts.
Whether you're exploring the great outdoors or simply looking for a comfortable pair of everyday pants, the Merino wool bottoms are the perfect choice. So go ahead and take on any challenge with confidence, knowing that you have the perfect base layer to keep you comfortable and stylish.
7. Women's Intraknit Merino Thermal Leggings | High Rise Merino Wool Tights (Slim Fit)
Introducing the Cold Weather Leggings, the perfect addition to your high-intensity activities during cool to cold weather. These leggings are designed with Intraknit technology that provides enhanced insulation and ventilation to amplify your movement. Not only do they offer functionality, but they also boast a flattering high-rise waist, ensuring that you never want to break a sweat in another legging again.
Crafted with comfort in mind, the high-rise leggings sit just above the hips, slightly above the belly button, and offer a slimming silhouette while allowing unrestricted movement through the legs. The inseam measures at 29.5" for a comfortable fit.
The Intraknit Thermal Merino material used in these leggings makes them ideal for cool to cold weather. This lightweight 3D-knit with Merino Sport yarn provides gender-specific ventilation to maximize thermoregulation and breathability during high-intensity, sweat-inducing activities.
Merino wool is thinner and softer than regular wool, making it easy to wear next to skin. Each fiber transports sweat away as a vapor, providing a comfortable experience during your activities. Additionally, it regulates body temperature to keep you cool in summer and warm in winter. The company has tested the material themselves, ensuring that the product delivers what it promises.
The company believes in providing the highest quality apparel for your outdoor adventures, which is why they offer wool socks and leggings for men, women, and kids. They are committed to environmental sustainability, racial equity, and inclusivity, making them a brand you can trust.
8. Men's Everyday Cold Weather Leggings-Wool Base Layer Thermal Pants
Introducing the Icebreaker Merino Standard 175 Warm Leggings for men – the ultimate cold-weather layering foundation! Stay cozy and comfortable all year long with these thermal long johns for men. Whether you're out camping on a chilly summer night or embarking on a frigid winter adventure, these insulated leggings will regulate your body temperature and keep you warm.
Made with 100% Merino wool, these winter pants for men are super-soft and reliable. They naturally resist odor and manage moisture, ensuring that you stay comfortable throughout the day. This Merino wool base layer is designed to keep you cool when it's hot and warm when it's cold.
The slim, contoured fit of these men's long underwear and men's thermals allows for smooth cold weather layering. You can pair them with our Everyday Zip or LS crew top for a complete cold-weather outfit. The ribbed fabric provides stretch and comfort, while the brushed elastic waistband ensures an easy fit. The flatlock seams reduce chafing, making them a dependable choice for all-day wear.
At Icebreaker Merino, we believe in creating a connection between people and nature. Our long underwear and thermal clothes for men are inspired by nature, and designed to provide natural performance with quality materials over synthetic fiber.
9. Women's 175 Everyday Cold Weather Base Layer Thermal Long Sleeve Crewneck T-Shirt
The Icebreaker Merino Women's 175 Standard Merino Wool Shirt is the perfect companion for any cold weather adventure. This long sleeve shirt is not only stylish, but also incredibly comfortable. The crew neck design allows for year-round layering, making it a versatile addition to any wardrobe.
Made from 100% Merino Wool, an annually renewable resource, this shirt is incredibly soft to the touch. It naturally resists odors, regulates body temperature in all weather conditions, and helps manage moisture, ensuring you stay dry and comfortable all day long.
Designed with all day comfort in mind, this women's long sleeve tee shirt is breathable and quick-drying. The offset shoulder seams reduce chafing, and the ribbed fabric adds to the comfort factor. The slim fit design provides a classic look that is perfect for layering under coats.
This thermal shirt is ideal for any outdoor activity, from skiing and snowboarding to backpacking, camping, or hiking. It provides easy layering under coats, ensuring you stay warm and comfortable no matter what the weather conditions may be.
At Icebreaker Merino, they strive to create a connection between people and nature. Their thermals for women and layering shirts for women are designed to provide natural performance with quality, non-synthetic fibers. Rest assured that you are getting a high-quality product that is not only comfortable, but also eco-friendly.
Best Merino Wool Long Underwear FAQs
Are there any downsides to wearing merino wool long underwear, such as itchiness or odor retention?
Merino wool is a popular material for long underwear due to its numerous benefits, such as warmth, breathability, and moisture-wicking properties. However, as with any material, there may be some downsides to wearing merino wool long underwear.
One potential downside is itchiness, particularly for individuals with sensitive skin. While merino wool is often softer than traditional wool, it can still cause discomfort for some wearers. It is important to choose high-quality, finely woven merino wool long underwear to reduce the risk of itchiness.
Another concern is odor retention. Merino wool is known for its ability to resist odors, but it is not completely immune to them. If you wear merino wool long underwear for extended periods without washing, it may begin to retain odors. However, regular washing and proper care can help prevent this issue.
Overall, while there may be some downsides to wearing merino wool long underwear, the benefits often outweigh them. It is a durable, versatile material that can keep you warm and comfortable in a variety of conditions.
Can merino wool long underwear be machine washed and dried, or does it require special care?
Merino wool long underwear can be machine washed and dried, but it is important to follow proper care instructions to avoid damaging the fabric. Most manufacturers recommend washing merino wool garments in cold water on a gentle cycle with a mild detergent. Avoid using fabric softeners or bleach, as these can damage the fibers. It is also recommended to wash merino wool garments separately from other clothing items to prevent snagging.
When it comes to drying, it is best to lay merino wool garments flat to air dry. However, if you need to use a dryer, make sure to use a low heat setting and remove the garment promptly once it is dry. Do not hang merino wool garments to dry, as this can cause stretching and misshaping.
Overall, with proper care, merino wool long underwear can last for many years and retain its softness, warmth, and moisture-wicking properties.
Can merino wool long underwear be worn in hot weather, or is it only suitable for cold temperatures?
Merino wool long underwear is typically designed for use in cold weather as it provides excellent insulation and warmth. However, merino wool is also known for its moisture-wicking properties, which can make it a suitable option for hot weather as well. This is because the wool fibers draw moisture away from the skin, allowing it to evaporate and keeping the wearer feeling cool and dry. Additionally, merino wool is naturally breathable, which can help to regulate body temperature in hot weather. That being said, it is important to consider the weight and thickness of the merino wool long underwear when wearing it in warmer temperatures. Lightweight and thin merino wool fabric may be more comfortable and breathable in hot weather than thicker, heavier options. Overall, while merino wool long underwear is primarily designed for use in cold weather, it can also be a comfortable and effective option for hot weather when chosen carefully.
How do I choose the right weight of merino wool long underwear for my needs?
Choosing the right weight of merino wool long underwear depends on your needs and the conditions you will be in. Merino wool is known for its excellent insulation properties, moisture-wicking ability, and breathability. It comes in different weights ranging from lightweight to heavy.
If you plan to use your merino wool long underwear for high-intensity activities like running or hiking, you should go for lightweight options. Lightweight merino wool long underwear is ideal for these activities as it is breathable and wicks away sweat efficiently, keeping you dry and comfortable.
If you plan to use your merino wool long underwear in colder temperatures or for activities with lower intensity, you should consider heavier options. Heavyweight merino wool long underwear provides excellent insulation and warmth in colder temperatures.
Midweight options are ideal for moderate temperatures and activities with moderate intensity. They provide a balance between insulation and breathability, keeping you comfortable in different conditions.
In summary, consider your needs and the conditions you will be in when choosing the weight of your merino wool long underwear. Lightweight options for high-intensity activities, heavyweight for colder temperatures, and midweight for moderate conditions.
How does merino wool compare to other types of wool for long underwear?
Merino wool is considered to be one of the best materials for long underwear due to its unique properties. Unlike traditional wool, merino wool is much softer and finer, making it more comfortable to wear against the skin. It is also much more breathable, allowing moisture to escape and preventing overheating.
Merino wool is also naturally antimicrobial, meaning it can resist odors and stay fresh for longer periods of time. This is especially important for long underwear, which is often worn for extended periods of time without washing.
Compared to other types of wool, merino wool is also more durable and less prone to pilling or shrinking. It is also less itchy than traditional wool, making it a better choice for those with sensitive skin.
Overall, while other types of wool may be cheaper, merino wool offers superior comfort, breathability, and odor resistance, making it a popular choice for long underwear and other outdoor clothing.
How durable is merino wool long underwear, and will it hold up well over time?
Merino wool long underwear is known for its durability and ability to hold up well over time. Merino wool fibers are naturally strong and elastic, making them resistant to tearing and stretching out of shape. Additionally, merino wool is inherently moisture-wicking and odor-resistant, so it doesn't require frequent washing and can maintain its quality for longer periods of time.
However, like any clothing item, the durability of merino wool long underwear will depend on how well it is cared for. Proper care includes washing it in cool water with a gentle detergent and avoiding the use of fabric softeners or bleach. It's also recommended to avoid drying merino wool in a dryer, as excessive heat can damage the fibers. Instead, it's best to air dry merino wool long underwear by laying it flat on a towel.
Overall, with proper care, merino wool long underwear can last for many years and provide reliable warmth and comfort throughout its lifespan.
What are some of the most highly rated merino wool long underwear options available on the market?
Merino wool is a popular material for long underwear due to its natural moisture-wicking and temperature-regulating properties. There are many highly rated options available on the market, but some of the most popular ones include:
1. Icebreaker Men’s 200 Oasis: This long underwear is made with 100% merino wool and is known for its softness and breathability.
2. Smartwool Men’s NTS Mid 250: This is a heavyweight option that is great for cold weather. It is made with a blend of merino wool and nylon for added durability.
3. Minus33 Men’s Merino Wool 714: This long underwear is made with 100% merino wool and is praised for its comfort and fit.
4. Woolx Men’s Glacier: This is another heavyweight option that is perfect for extreme cold weather. It is made with 100% merino wool and is known for its warmth and moisture-wicking abilities.
5. Patagonia Capilene Air: This long underwear is made with a blend of merino wool and recycled polyester. It is highly breathable and has a stretchy, comfortable fit.
Overall, when choosing merino wool long underwear, it’s important to consider the weight, breathability, and durability of the fabric to find the best option for your needs and preferences.
What are the advantages of wearing merino wool long underwear over synthetic or cotton alternatives?
Merino wool long underwear has numerous advantages over synthetic or cotton alternatives. Firstly, merino wool is a natural insulator and provides excellent warmth even when wet, making it ideal for cold temperatures. Secondly, it is breathable and wicks moisture away from the skin, keeping the wearer dry and comfortable. This is especially important during physical activities or in hot climates where moisture can cause discomfort.
Thirdly, merino wool is naturally odor-resistant, which means that it can be worn multiple times without needing to be washed, making it a more sustainable and eco-friendly option. Additionally, merino wool is soft and comfortable to wear, and does not cause itching or irritation like some synthetic fabrics.
Overall, merino wool long underwear is a versatile and functional choice for outdoor enthusiasts, travelers, and anyone who values comfort, warmth, and sustainability. While it may be more expensive than synthetic or cotton alternatives, its durability and performance make it a worthwhile investment for anyone who spends time outdoors or in cold weather conditions.
What are the top brands of merino wool long underwear?
Merino wool is a popular choice for long underwear due to its softness, warmth, and moisture-wicking properties. There are several top brands of merino wool long underwear that offer quality products to keep you warm in colder weather.
One of the most well-known brands is Icebreaker, which offers a range of merino wool baselayers for both men and women. Their products are made from high-quality merino wool and are designed to be comfortable, breathable, and odor-resistant.
Another top brand of merino wool long underwear is Smartwool, which has been producing high-quality merino wool products for over 20 years. Their long underwear is made from soft and durable merino wool and is designed to keep you warm and dry in cold weather.
Other popular brands of merino wool long underwear include Patagonia, Ibex, and Minus33. Each of these brands offers a range of options for men and women, including lightweight, midweight, and heavyweight baselayers.
No matter which brand you choose, be sure to look for high-quality merino wool that is soft, durable, and breathable. With the right long underwear, you can stay warm and comfortable in even the coldest weather.
What is the price range for high-quality merino wool long underwear?
The price range for high-quality merino wool long underwear can vary depending on the brand, material quality, and features. Generally, you can expect to pay between $70 and $150 for a top-quality pair of merino wool long underwear. You may find some budget options starting from $30, but these may not offer the same level of comfort, durability, and warmth as the premium ones. Some of the factors that may affect the price of merino wool long underwear include the weight of the fabric, the thickness of the wool, the manufacturing process, and the brand reputation. It's important to keep in mind that investing in high-quality merino wool long underwear can be a worthwhile investment, as they are known for their ability to regulate body temperature, wick moisture, resist odors, and provide superior insulation, making them an ideal choice for outdoor activities and cold weather.
