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Base Layers & Thermals

Find base layers and thermals to start your layered outfit, with first-layer essentials to suit your preferences. Compare individual styles for fit, sizing and care requirements to help choose the right pieces for your wardrobe.

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Men's Cresta Wool Midweight 250 Crew Top
L.L.Bean Men's Cresta Wool Midweight 250 Crew Top
A midweight merino wool crew top in carbon navy that wicks sweat, resists odor, and keeps you warm.
(489)
$99.95 $99.95
SALE
What customers like:
Perfect fit
Soft and comfortable
Durable fabric
Available in big and tall sizes
Great warmth
$99.95 $99.95
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, wicking sweat and resisting odor in dark black.
(439)
$99.95 $99.95
SALE
What customers like:
Great color
Versatile use
Soft and lightweight
Excellent warmth
Comfortable fit
$99.95 $99.95
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 versatile warmth and comfort.
(390)
$99.95 $99.95
SALE
What customers like:
Great fit
High-quality fabric
Non-itchy material
Comfortable to wear
Excellent warmth
$99.95 $99.95
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 dark black, form-fitting merino wool crew top that wicks sweat, resists odor, and keeps you warm.
(364)
$99.95 $99.95
SALE
What customers like:
Great fit
Breathable fabric
High quality
Perfect base layer
Excellent warmth
$99.95 $99.95
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 T-Zip top that wicks sweat, resists odor, and keeps you warm.
(203)
$120 $120
SALE
What customers like:
Well-made
Warmth
True to size
Versatile
Comfortable
$120 $120
SALE
Women's Cresta Ultralight 150 Crew Top
L.L.Bean Women's Cresta Ultralight 150 Crew Top
An alloy gray, form-fitting base layer made of 100% merino wool, perfect for any season.
(147)
$89.95 $89.95
SALE
What customers like:
Not itchy
Lightweight
Versatile
Comfortable
Warm
$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 from 100% merino wool, offering warmth, moisture-wicking, and odor resistance.
(142)
$89.95 $89.95
SALE
What customers like:
Lightweight
Warm without being bulky
Stylish
Durable
Comfortable
$89.95 $89.95
SALE
Women's Cresta Wool Ultralight 150 Base Layer, Hoodie
L.L.Bean Women's Cresta Wool Ultralight 150 Base Layer, Hoodie
An ultralight, alloy gray Merino wool hoodie that wicks moisture, resists odors, and fits comfortably under helmets.
(103)
$99.95 $84.99
SALE
What customers like:
High-quality material
Easy to care for
Perfect under layer
Lightweight design
Comfortable fit
$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 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
Men's L.L.Bean Simple Soft Base Layer, Crew
L.L.Bean Men's L.L.Bean Simple Soft Base Layer, Crew
A lightweight, dark black heather crewneck base layer made from moisture-wicking, quick-drying synthetic fabric.
(0)
$54.95 $54.95
SALE
$54.95 $54.95
SALE

Base Layers & Thermals

Base Layers & Thermals are a personal part of a wardrobe, and choosing them deserves the same attention you give to a favorite pair of jeans. Start with the sizes and silhouettes you already like, then take a closer look at each item’s fit description and measurements. Two pieces marked with the same size can have different proportions, so details such as sleeve length, inseam and where a waistband sits are worth comparing. Think about whether you prefer a closer cut or a little more room, rather than assuming one fit is right for everyone. A familiar neckline or a preferred waist height can help narrow the choices considerably. There’s satisfaction in opening a drawer and finding pieces that feel like your style, right down to the basics.

Building a selection of base layers and thermals doesn’t have to mean buying everything at once. You might be replacing a well-loved piece, filling a gap in your wardrobe or choosing a coordinated top and bottom. Consider what you already own before deciding what to add: a consistent color palette can make matching straightforward, while separate pieces give you room to choose different sizes or proportions for the top and bottom. Look closely at the individual descriptions and photos for details that matter to you, including neckline shape, cuffs and waistband design. Care instructions deserve a look, too, especially if you prefer a simple laundry routine. These small purchase considerations are easy to overlook on a product listing, but they can be more useful than choosing by appearance alone.

Base layers and thermals can also be a thoughtful gift for someone whose preferences you know well. The best starting point is often an ordinary detail: the size they reach for most, the colors neatly stacked in their drawer or the familiar piece they’ve been meaning to replace. Since fit is personal, it helps to confirm measurements rather than guess, particularly when choosing a top and bottom together. For a family member or close friend, following their established preferences can make the gift feel considered without making it complicated. Whether you’re shopping for yourself or someone else, take your time comparing the details of each option. A well-chosen addition begins with paying attention to the person who will wear it.

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