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Breathable Base Layers

Find breathable base layers to wear beneath your other layers, with options to suit your preferred fit and style. Compare each item’s sizing and fit details to help narrow your selection and choose the right foundation for your layering system.

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Men's Cresta Wool Midweight 250 Crew Top
L.L.Bean Men's Cresta Wool Midweight 250 Crew Top
A versatile carbon navy merino wool base layer that wicks sweat, resists odor, and keeps you warm.
(489)
$99.95 $99.95
SALE
What customers like:
Perfect fit
Soft and comfortable
Great color
High-quality fabric
Excellent warmth
$99.95 $99.95
SALE
Men's Silk Underwear, Pants
L.L.Bean Men's Silk Underwear, Pants
A strong, lightweight black silk base layer offering warmth and comfort without added bulk.
(486)
$54.95 $54.95
SALE
What customers like:
Great fit
Quality
Warmth
Comfortable
Versatile for weather
$54.95 $54.95
SALE
Men's Cresta Midweight 250 Pants
L.L.Bean Men's Cresta Midweight 250 Pants
A versatile base layer made of itch-free merino wool, providing warmth and odor resistance in carbon navy.
(439)
$99.95 $99.95
SALE
What customers like:
Odor resistant
Great color
Versatile use
Excellent warmth
Comfortable fit
$99.95 $99.95
SALE
Women's Silk Underwear, Turtleneck
L.L.Bean Women's Silk Underwear, Turtleneck
A lightweight, black silk turtleneck providing breathable warmth without bulk, perfect under casual or active outfits.
(424)
$69.95 $69.95
SALE
What customers like:
Soft and warm
Excellent customer service
Thin and comfortable
Great turtleneck fit
Lightweight and warm
$69.95 $69.95
SALE
Men's Silk Underwear, Crewneck
L.L.Bean Men's Silk Underwear, Crewneck
A lightweight black silk crewneck providing strong, comfortable warmth as a perfect base layer.
(410)
$54.95 $54.95
SALE
What customers like:
Durable
Comfortable
Warm
Great for travel
Feels like real silk
$54.95 $54.95
SALE
Women's Cresta Midweight 250 Pants, High-Rise Slim-Leg
L.L.Bean Women's Cresta Midweight 250 Pants, High-Rise Slim-Leg
A high-rise, slim-leg base layer made of 100% merino wool, perfect for warmth and odor resistance.
(390)
$99.95 $84.99
SALE
What customers like:
Great fit
High-quality fabric
Non-itchy material
Comfortable to wear
Excellent warmth
$99.95 $84.99
SALE
Men's Cresta Midweight 250 Quarter-Zip Top
L.L.Bean Men's Cresta Midweight 250 Quarter-Zip Top
A dark black merino wool quarter-zip top that wicks sweat, resists odor, and keeps you warm.
(375)
$120 $120
SALE
What customers like:
Keeps you warm
Excellent base layer
Comfort
Durability
Versatility
$120 $120
SALE
Women's Cresta Midweight 250 Crew Top
L.L.Bean Women's Cresta Midweight 250 Crew Top
A form-fitting merino wool crew top in carbon navy that wicks sweat, resists odor, and keeps you warm.
(364)
$99.95 $84.99
SALE
What customers like:
Perfect base layer
Breathability
Warmth
Softness
Regulates body temperature
$99.95 $84.99
SALE
Women's Cresta Midweight 250 T-Zip Top
L.L.Bean Women's Cresta Midweight 250 T-Zip Top
A dark black, merino wool base layer that wicks sweat, resists odor, and features thumbhole cuffs.
(203)
$120 $120
SALE
What customers like:
Well-made
Warmth
True to size
Versatile
Comfortable
$120 $120
SALE
Men's Cresta Ultralight 150 Crew Top
L.L.Bean Men's Cresta Ultralight 150 Crew Top
An alloy gray, 100% merino wool crew top offering lightweight warmth and comfort for all-season activities.
(157)
$89.95 $89.95
SALE
What customers like:
Soft material
Warmth
Good fit
Comfortable
Versatility
$89.95 $89.95
SALE
Women's Cresta Ultralight 150 Crew Top
L.L.Bean Women's Cresta Ultralight 150 Crew Top
A lightweight, alloy gray crew top made from 100% merino wool, perfect as a warm base layer.
(147)
$89.95 $89.95
SALE
What customers like:
Not itchy
Lightweight
Versatile
Warm
Comfortable
$89.95 $89.95
SALE
Men's Cresta Wool Ultralight 150 Pants
L.L.Bean Men's Cresta Wool Ultralight 150 Pants
An ultralight base layer made of 100% merino wool, offering warmth and odor resistance in alloy gray.
(142)
$89.95 $89.95
SALE
What customers like:
Stylish design
Lightweight feel
Durable material
Warm without bulk
Comfortable fit
$89.95 $89.95
SALE
Women's L.L.Bean Simple Soft Base Layer, Crew
L.L.Bean Women's L.L.Bean Simple Soft Base Layer, Crew
A lightweight, dark black synthetic base layer crewneck with moisture-wicking, quick-dry fabric and thumbholes.
(127)
$54.95 $54.95
SALE
What customers like:
Great fit
Smooth fabric
Softness
Dino style
Material
$54.95 $54.95
SALE
Women's Cresta Ultralight 150 Pants, High-Rise Slim-Leg
L.L.Bean Women's Cresta Ultralight 150 Pants, High-Rise Slim-Leg
A high-rise, slim-leg base layer made of 100% merino wool, providing warmth and comfort in alloy gray.
(119)
$89.95 $89.95
SALE
$89.95 $89.95
SALE
Women's L.L.Bean Simple Soft Base Layer, Pants
L.L.Bean Women's L.L.Bean Simple Soft Base Layer, Pants
A lightweight, moisture-wicking synthetic base layer pant in dark black, perfect for everyday warmth and comfort.
(116)
$54.95 $54.95
SALE
What customers like:
Adds extra warmth
Lightweight
Softness
Good fit
Comfortable
$54.95 $54.95
SALE
Women's Cresta Wool Ultralight 150 Base Layer, Hoodie
L.L.Bean Women's Cresta Wool Ultralight 150 Base Layer, Hoodie
An ultralight, form-fitting Merino wool hoodie that wicks moisture, resists odors, and features thumbhole cuffs.
(103)
$99.95 $84.99
SALE
What customers like:
High-quality material
Perfect fit
Easy to care for
Lightweight design
Great color combination
$99.95 $84.99
SALE
Men's L.L.Bean Simple Soft Base Layer, Pants
L.L.Bean 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.
(86)
$54.95 $54.95
SALE
What customers like:
Ideal for layering
Provides warmth
Lightweight feel
$54.95 $54.95
SALE
Men's Cresta Wool Ultralight 150 Base Layer, Hoodie
L.L.Bean 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.
(86)
$99.95 $99.95
SALE
What customers like:
Soft and fleecy interior
Ideal for winter sports
Warm and comfortable
Good fit
Fashionable and supportive
$99.95 $99.95
SALE
Men's Cresta Ultralight 150 Crew Top, Stripe
L.L.Bean Men's Cresta Ultralight 150 Crew Top, Stripe
A remarkably soft and warm striped crew top made of 100% merino wool with thumbhole cuffs.
(75)
$89.95 $75.99
SALE
$89.95 $75.99
SALE
Women's Cresta Ultralight 150 Crew Top, Stripe
L.L.Bean 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.
(67)
$89.95 $75.99
SALE
What customers like:
Ideal as long underwear
Provides excellent warmth
Soft merino wool material
$89.95 $75.99
SALE
Women's Cresta Ultralight 150 Turtleneck, Stripe
L.L.Bean Women's Cresta Ultralight 150 Turtleneck, Stripe
An itch-free 100% merino wool turtleneck that wicks moisture, resists odors, and features thumbhole cuffs.
(0)
$99.95 $84.99
SALE
$99.95 $84.99
SALE
Men's Cresta Wool Ultralight 150 Turtleneck
L.L.Bean Men's Cresta Wool Ultralight 150 Turtleneck
An alloy gray, 100% merino wool turtleneck that wicks moisture, resists odors, and features thumbhole cuffs.
(0)
$99.95 $84.99
SALE
$99.95 $84.99
SALE
Women's LLB Simple Soft Base Layer Camisole
L.L.Bean Women's LLB Simple Soft Base Layer Camisole
A lightweight, pill-resistant camisole in smoky blue heather, made from moisture-wicking polyester and spandex blend.
(0)
$39.95 $39.95
SALE
$39.95 $39.95
SALE
Men's Cresta Ultralight 150 Hoodie, Stripe
L.L.Bean Men's Cresta Ultralight 150 Hoodie, Stripe
A form-fitting, 100% merino wool hoodie in regatta blue, perfect as a base layer for winter sports.
(0)
$99.95 $84.99
SALE
$99.95 $84.99
SALE

Breathable Base Layers

Breathable Base Layers are a thoughtful place to start when putting together a layered wardrobe. As the first pieces you pull on, they deserve just as much consideration as the clothes that go over them. Breathability is a useful starting point, but choosing a style also comes down to fit, coverage and personal preference. Think about the shapes you already reach for: a familiar neckline, a sleeve length you like and a cut that feels right for you. There’s something satisfying about opening a drawer and finding pieces that belong together, without having to rethink every combination. A well-chosen base layer should make sense alongside what you already own.

When comparing breathable base layers, take a moment to look beyond the size on the label. Check the size chart and any available garment measurements, paying particular attention to sleeve, torso and leg length. Your usual size is a starting point; the individual fit description helps fill in the picture. If you prefer a closer fit or a little more room, use those details rather than assuming every style is cut the same way. Consider coverage at the waist and neckline, too, especially in relation to the other pieces in your wardrobe. A top and bottom don’t have to be a matching set to be a good pairing. Choosing each separately lets you account for different proportions and preferences, while a coordinated set may appeal if you like a consistent look. Before deciding, read the care instructions so you know what to expect on laundry day.

Breathable base layers can also be a personal, practical gift for someone who appreciates thoughtfully chosen clothing. The best starting point is often a piece they already enjoy wearing—not just its size, but its shape, length and overall style. Notice whether they favor understated colors, prefer a particular neckline or tend to choose separates rather than sets. Those small details make a gift feel considered rather than guessed at. For someone who loves the outdoors, choosing clothing with their tastes in mind is a simple way to recognize that part of their life. Whether you’re shopping for yourself or someone close to you, let familiar preferences guide the choice, then use the individual item details to narrow it down.

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