Cold Weather Long Underwear

Cold weather long underwear is a must-have for anyone who loves spending time outdoors when the temperature drops. With options designed to keep you comfortable and warm, these essential layers help you enjoy winter activities or everyday errands with ease. Whether you're heading out for a brisk morning walk or layering up for a weekend adventure, you'll find styles that offer lasting value and dependable performance season after season. Explore our collection to find the right fit for your cold weather needs, all crafted with the quality and durability you expect.

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Men's Two-Layer Union Suit

A supersoft, charcoal union suit with a wool blend for warmth and nonchafing seams for comfort.

Pros: Functional Fits well Well-made Warmth Comfortable
Men's Cresta Wool Midweight 250 Crew Top

A versatile dark black merino wool base layer that wicks sweat, resists odor, and keeps you warm.

Pros: Perfect fit Soft and comfortable Durable fabric Available in big and tall sizes Great warmth
Men's Silk Underwear, Pants
Price was from: $54.95 now: $45.99

A lightweight, solid red silk base layer pant offering warmth and comfort without bulk.

Pros: Provides warmth Well made and sturdy Prevents chafing Comfortable fit Lightweight and thin
Men's Cresta Midweight 250 Pants

A versatile base layer made of itch-free merino wool that wicks sweat and resists odor.

Pros: Great color Versatile use Soft and lightweight Excellent warmth Comfortable fit
Men's Silk Underwear, Crewneck

A dark flint gray silk crewneck providing lightweight warmth and comfort, perfect as a base layer.

Pros: Lightweight warmth Durable fabric Great for travel Comfortable fit Easy to clean
Women's Cresta Midweight 250 Pants, High-Rise Slim-Leg

A high-rise, slim-leg base layer made of itch-free merino wool that wicks sweat and resists odor.

Pros: Great fit Perfect base layer Warmth Non-itchy Comfortable fabric
Men's Cresta Ultralight 150 Crew Top

An alloy gray, 100% merino wool crew top offering lightweight warmth and comfort with thumbhole cuffs.

Pros: Soft material Warmth Good fit Comfortable Versatility
Men's Cresta Wool Ultralight 150 Pants

An ultralight base layer made from 100% merino wool, offering warmth, moisture-wicking, and odor resistance.

Pros: Lightweight Warm without being bulky Stylish Durable Comfortable
Women's L.L.Bean Simple Soft Base Layer, Pants

A lightweight, moisture-wicking base layer pant in sea salt, made from 94% polyester and 6% spandex.

Pros: Adds extra warmth Lightweight Softness Good fit Comfortable
Women's Cresta Wool Ultralight 150 Base Layer, Hoodie
Price was from: $99.95 now: $84.99

An alloy gray, 100% Merino wool hoodie base layer that wicks moisture and resists odors.

Pros: High-quality material Perfect fit Lightweight Easy to care for Great color combination
Men's L.L.Bean Simple Soft Base Layer, Pants

A lightweight, moisture-wicking base layer pant in dark black heather, made from a polyester-spandex blend.

Pros: Ideal for layering Provides warmth Lightweight feel
Men's Cresta Wool Ultralight 150 Base Layer, Hoodie

An ultralight, alloy gray Merino wool hoodie that wicks moisture, resists odors, and fits comfortably under helmets.

Pros: Soft and fleecy interior Ideal for winter sports Warm and comfortable Good fit Fashionable and supportive
Men's Cresta Ultralight 150 Crew Top, Stripe

A remarkably soft and warm striped crew top made of 100% merino wool with thumbhole cuffs.
Women's Cresta Ultralight 150 Crew Top, Stripe

An itch-free 100% merino wool base layer, perfect for cold-weather sports, available in ocean waves and storm teal.

Pros: Ideal as long underwear Provides excellent warmth Soft merino wool material
Women's Cresta Ultralight 150 Turtleneck, Stripe
Price was from: $99.95 now: $84.99

An itch-free 100% merino wool turtleneck that wicks moisture, resists odors, and features thumbhole cuffs.
Men's L.L.Bean Simple Soft Base Layer, Crew

A lightweight, moisture-wicking synthetic base layer crewneck with thumbholes, perfect for everyday warmth and comfort.
Men's Cresta Wool Ultralight 150 Pant, Stripe

A slim-leg base layer pant made of itch-free 100% merino wool, available in regatta blue and glacier blue.
Women's PrimaLoft ThermaStretch Fleece Tights, Mid-Rise
Price was from: $110 now: $43.99

A pair of mid-rise fleece/nylon tights in forest shade, featuring PrimaLoft® fabric and a plush interior.

Pros: Great fit Quality Warmth Softness Comfortable
Women's Silk Pointelle, Pants

A virtually weightless pair of cream silk pants offering warmth and a feminine touch.

Pros: Comfort Light weight Warmth Softness Good fit
Women's Silk Underwear, Scoopneck

A cream silk long-sleeve undershirt offering comfortable warmth without bulk, perfect as a first layer.

Pros: Great fit Soft material Lightweight Silky feel Comfortable warmth
Women's Silk Underwear, Turtleneck

A lightweight, black silk turtleneck providing breathable warmth without bulk, perfect under casual or active outfits.

Pros: Soft and warm Excellent customer service Thin and comfortable Great turtleneck fit Lightweight and warm
Men's Cresta Midweight 250 Quarter-Zip Top

A versatile merino wool quarter-zip top in saddle heather, perfect for warmth and odor resistance.

Pros: Keeps you warm Excellent base layer Comfort Durability Versatility
Women's Cresta Midweight 250 T-Zip Top

A versatile eggplant heather base layer made of 100% merino wool, designed to wick sweat and resist odor.

Pros: Well-made Warmth True to size Versatile Comfortable
Men's Cresta Wool Ultralight 150 Turtleneck
Price was from: $99.95 now: $84.99

An alloy gray, 100% merino wool turtleneck that wicks moisture, resists odors, and features thumbhole cuffs.

Cold Weather Long Underwear

When winter settles in and the days grow short, the right cold weather long underwear can make all the difference between staying comfortably active and cutting your adventures short. Whether you’re heading out for a brisk morning walk with the dog, cheering from the sidelines at a snow-dusted soccer game, or spending the afternoon building snow forts with the kids, a dependable base layer helps keep warmth in and chills out. Long underwear is a true cold-weather essential—an everyday favorite for anyone who spends time outside, from seasoned hikers and skiers to those simply running errands or shoveling the driveway. It’s also a thoughtful, practical gift that shows you care about someone’s comfort, perfect for family members, friends, or anyone who braves the winter elements. With options designed to suit a wide range of outdoor activities and lifestyles, there’s a pair for every member of the family, making it easy to layer up and embrace all that winter has to offer.

Choosing the right long underwear comes down to a few key considerations: warmth, comfort, durability, and versatility. Look for materials that feel great against the skin and offer reliable insulation without adding bulk, so you can move freely whether you’re sledding, hiking, or simply relaxing at home. Some styles are crafted for high-output activities, featuring moisture-wicking fabrics that help manage sweat during snowshoeing or cross-country skiing, while others emphasize cozy softness for everyday wear. Details like flat seams, stretch panels, and easy-care fabrics make a big difference in all-day comfort, preventing chafing and ensuring a great fit under jeans, snow pants, or workwear. The best long underwear is built to last season after season, holding up to repeat washes and the rigors of winter play. And with options for men, women, and kids, it’s easy to outfit the whole family so everyone can stay warm from the first frost to the last snowflake.

Long underwear isn’t just for outdoor adventures—it’s an everyday staple that helps you make the most of winter, whether you’re stacking firewood, tackling a frosty morning commute, or settling in for a cozy evening by the fire. Layering up with a quality base layer lets you enjoy the crisp, invigorating air and the sparkling beauty of a January landscape without worrying about the cold. For those who enjoy a more active lifestyle, specialized options like Mens Athletic Long Underwear offer performance features designed to keep up with every stride, stretch, and climb. And when it comes to gifting, nothing says “I want you to be comfortable” quite like a set of long underwear—practical, appreciated, and always in style. From snowball fights to winter hikes to quiet mornings with a cup of coffee, long underwear is a timeless companion for all the moments that make winter memorable.

FAQs

Cold weather long underwear is often made from materials like merino wool, polyester blends, and cotton. Merino wool is prized for its natural warmth and moisture-wicking properties, while polyester blends offer durability and quick-drying comfort. Cotton is soft and breathable, but best for low-activity use since it retains moisture. Each material provides its own unique benefits, so you can choose the one that best fits your needs and activities.

To keep your long underwear in great shape, wash it in cold water with mild detergent and avoid using fabric softeners, which can affect moisture-wicking properties. Tumble dry on low or air dry to preserve the fabric's integrity. Always check the care label for specific instructions, as some materials like merino wool may require extra care.

Long underwear is a versatile layer that benefits anyone spending time outdoors in cold weather. It's ideal for outdoor enthusiasts, winter commuters, sports spectators, and kids playing in the snow. Even those who prefer to stay indoors can enjoy the cozy warmth and comfort that long underwear provides during chilly months.

Absolutely. Long underwear is designed to be lightweight and comfortable, making it easy to wear under jeans, work pants, or even dress clothes. It adds a layer of warmth without bulk, so you can go about your daily routine—indoors or out—while staying comfortable on cold days.

For active pursuits like skiing, snowshoeing, or winter hiking, look for long underwear with moisture-wicking and quick-drying properties, as well as features like flat seams to prevent chafing and stretch panels for ease of movement. Breathability is also important to help regulate body temperature during high-energy activities.

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Cold Weather Long Underwear