Lightweight Thermal Layers

Lightweight thermal layers are essential for staying comfortable during all your outdoor adventures, whether you're hiking cool trails or enjoying early morning walks. Designed to provide warmth without bulk, these versatile pieces fit easily under your favorite shirts, sweaters, or jackets. With timeless style and dependable comfort, lightweight thermal layers make it simple to adapt to changing temperatures and keep you feeling your best wherever the day takes you.

Sort by:

Filter & Sort

476 Items

Men's Two-Layer River Driver's Shirt®, Traditional Fit Henley

A green wool-blend Henley with dual-layer thermal construction for warmth and a relaxed, traditional fit.

Pros: Soft material Warm and cozy High quality and durable Versatile for cold weather Comfortable fit
Women's Ultralight 850 Down Sweater

An ultralight, packable down sweater with water-repellent 850-fill DownTek™ and recycled ripstop nylon shell.

Pros: Fits well Lightweight Well-made Good for layering Warm
Women's Silk Underwear, Pants

A lightweight, warm, and breathable pair of black silk long underwear pants for women.

Pros: Lightness Comfort Warmth Softness Versatility
Women's Ultralight 850 Down Hooded Sweater

An ultralight, water-repellent down jacket with recycled nylon shell, perfect for layering and outdoor activities.

Pros: Lightweight and packable Exceptional warmth Flattering and comfortable fit High-quality construction Perfect for layering
Men's Signature Waffle Crew
Price was from: $89 now: $74.99

A slim-fitting indigo heather thermal crew made from 100% breathable waffle-knit cotton.

Pros: High quality Great color Good fit Comfortable waffle knit Excellent warmth
Men's Cresta Ultralight 150 Crew Top

A remarkably soft and warm alloy gray base layer made from 100% merino wool with thumbhole cuffs.

Pros: Soft material Warmth Good fit Comfortable Well made
Women's Cresta Ultralight 150 Crew Top

An alloy gray, form-fitting base layer made of 100% merino wool, perfect for any season.

Pros: Not itchy Lightweight Versatile Comfortable Warm
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 ultralight, alloy gray Merino wool hoodie that wicks moisture, resists odors, and fits comfortably under helmets.

Pros: High-quality material Easy to care for Perfect under layer Lightweight design Comfortable fit
Women's Cresta Wool Ultralight 150 Turtleneck
Price was from: $99.95 now: $84.99

An ultralight, form-fitting turtleneck made of 100% Merino wool, in alloy gray, with thumbhole cuffs.

Pros: Cleanliness High quality Warmth Comfortable fabric Low maintenance
Men's Unshrinkable Mini-Waffle Henley, Long-Sleeve Traditional Fit

A brown, 100% cotton long-sleeve henley that resists shrinking, fading, and pilling wash after wash.

Pros: High quality material Attractive design and color options Warm and cozy Comfortable fit Resists shrinking and fading
Men's Ultralight 850 Down Jacket

An ultralight, wind-resistant black down jacket with water-repellent 850-fill insulation and recycled nylon shell.

Pros: Perfect fit Lightweight High-quality materials Durable Excellent warmth
Women's Ultralight 850 Down Jacket

An ultralight, water-repellent down jacket in thyme, made from recycled nylon with 850-fill DownTek™ insulation.

Pros: Fits well Great in cold weather Lightweight Warmth Comfortable
Women's Airlight Vest

A lightweight black polyester vest with UPF 50+, moisture-wicking fabric, and abrasion resistance for active comfort.

Pros: Lightweight and comfortable Dries quickly and washes well Attractive and well-made Effective temperature regulation Versatile for layering and seasons
Women's Mountain Classic Puffer Jacket, Colorblock

A lightweight, water-resistant colorblock jacket with recycled synthetic insulation and wind-resistant polyester shell.
Men's Airlight Vest

A lightweight, abrasion-resistant polyester vest in mid-night black that offers UPF 50+ protection and quick-drying comfort.

Pros: Lightweight Breathability Durable fabric Warmth Good fit
Men's Mountain Classic Puffer Jacket, Colorblock

A lightweight, slightly fitted gray puffer jacket with ColdShield™ insulation, perfect for layering and weather protection.

Pros: Vivid colors Stylish look Perfect fit Extra warmth Strong nylon
Men's Airlight Knit Pullover, Colorblock
Price was from: $79.95 now: $64.99

A multi-color synthetic fleece pullover with UPF 50+ protection, moisture-wicking, and abrasion resistance.

Pros: Attractive color Warmth and comfort Durable fabric Cozy feel Lightweight design
Women's Airlight Pullover, Funnelneck
Price was from: $79 now: $31.99

A mid-night black, slightly fitted pullover with UPF 50+ protection, thumbholes, and abrasion-resistant polyester.

Pros: High quality Functional pockets Warmth Stylish Comfortable fit
Men's Ultralight 850 Down Sweater Hooded Jacket

An ultralight, water-resistant down jacket with 850-fill DownTek insulation and a recycled ripstop nylon shell.

Pros: Great fit High quality Attractive color Lightweight design Excellent warmth
Women's Cresta Midweight 250 Pants, High-Rise Slim-Leg

A high-rise, slim-leg base layer made of 100% merino wool, perfect for versatile warmth and comfort.

Pros: Great fit High-quality fabric Non-itchy material Comfortable to wear Excellent warmth
Women's Mountain Classic Puffer Hooded Jacket

A lightweight, water-resistant black puffer jacket with 80-gram ColdShield™ insulation and an attached hood.

Pros: Perfect fit Lightweight Warmth Durability Cozy
Men's Mountain Classic Puffer Hooded Jacket

A blue synthetic hooded jacket offering lightweight warmth, weather protection, and 80-gram ColdShield™ insulation.
Women's Cresta Midweight 250 T-Zip Top

An eggplant heather midweight merino wool top that wicks sweat, resists odor, and keeps you warm.

Pros: Good quality Warmth True to size Versatile Comfortable

Lightweight Thermal Layers

When winter settles in and chilly mornings become the norm, lightweight thermal layers become an essential part of staying comfortable and enjoying the outdoors. These versatile pieces are designed to add warmth without the bulk, making them a smart choice for layering under everything from everyday clothing to outdoor gear. Whether you’re heading out for a brisk walk around the neighborhood, spending the day on the slopes, or simply tackling errands in unpredictable weather, the right thermal layer helps regulate body temperature and keeps you feeling cozy all day long. The beauty of lightweight thermals is their adaptability—they’re just as handy for active pursuits like hiking or snowshoeing as they are for relaxing at home with a good book and a mug of cocoa. They’re also a thoughtful gift for anyone who loves spending time outside, travels frequently, or wants to stay warm without overheating indoors. From college students braving drafty dorm rooms to grandparents who love their morning walks, thermal layers offer lasting comfort and practical value for all ages.

When choosing lightweight thermal layers, there are a few key details to keep in mind. Look for materials that offer a balance of softness, breathability, and durability—qualities that make a difference whether you’re wearing them solo or as a base layer. Moisture-wicking fabrics help pull sweat away from the skin, keeping you dry and comfortable during more active moments, while flat seams and tagless designs minimize irritation for all-day wear. Many styles come in a range of colors and patterns, so it’s easy to find something that feels personal and suits your everyday style. The right fit is important, too—lightweight thermals should move with you, never restricting movement, so you can stretch, bend, and reach without a second thought. For those who spend time outdoors year-round, packable thermal layers are a game changer, tucking easily into backpacks or luggage for warmth on the go. As February brings its share of frosty mornings and unpredictable weather, having a selection of lightweight thermals on hand means you’re ready for whatever the day brings—whether that’s a weekend getaway, a family sledding adventure, or simply staying snug during your daily routine. For more details on choosing the perfect layering essentials, visit our guide to Lightweight Thermal Clothing and find the ideal pieces to keep you comfortable all season long.

FAQs

Lightweight thermal layers provide essential warmth without adding bulk, making them perfect for layering under jackets or sweaters. They help regulate body temperature by wicking away moisture and trapping heat, so you stay comfortable whether you're hiking, skiing, or simply enjoying a walk on a cold day.

Absolutely—lightweight thermal layers are versatile enough to be worn both indoors and outdoors. They offer cozy comfort for lounging at home, working in a chilly office, or running errands around town, making them a practical choice for daily wear throughout the colder months.

Look for features such as moisture-wicking fabrics, soft and breathable materials, flat seams to prevent chafing, and tagless designs for extra comfort. These qualities ensure that your thermal layers remain comfortable and effective whether you’re active or relaxing.

Yes, lightweight thermal layers make a thoughtful and practical gift for anyone who enjoys spending time outdoors or simply wants to stay warm and comfortable during the colder months. They’re appreciated by people of all ages and are a great way to show you care about someone’s comfort.

Most lightweight thermal layers can be machine washed in cold water with like colors and tumble dried on low. Avoid using fabric softeners, as they can affect the moisture-wicking properties of the fabric. Always check the care label for specific instructions to keep your layers in top condition.

It's time to upgrade your browser

Lightweight Thermal Layers