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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.

Men's Cresta Wool Midweight 250 Crew Top
L.L.Bean Men's Cresta Wool Midweight 250 Crew Top
A blue 100% merino wool base-layer crew top with moisture-wicking, odor-resistant warmth and thumbhole cuffs.
(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
Men's Double-Layer Underwear, Pants
L.L.Bean Men's Double-Layer Underwear, Pants
A gray thermal base-layer pant with a warm wool-blend exterior, soft cotton interior, and flatlock seams.
(392)
$54.95 $54.95
SALE
$54.95 $54.95
SALE
Men's Cresta Midweight 250 Quarter-Zip Top
L.L.Bean Men's Cresta Midweight 250 Quarter-Zip Top
A brown merino-wool quarter-zip base layer with odor resistance, moisture-wicking warmth, flat-lock seams, and thumbhole cuffs.
(375)
$120 $79.99
SALE
What customers like:
Keeps you warm
Excellent base layer
Comfort
Durability
Versatility
$120 $79.99
SALE
Men's Double-Layer Underwear, Crewneck
L.L.Bean Men's Double-Layer Underwear, Crewneck
A blue thermal crewneck with a merino-wool blend outer layer, breathable cotton lining, and flatlock seams.
(376)
$54.95 $54.95
SALE
What customers like:
Incredibly cozy
Perfect fit
Exceptional warmth
High comfort
Well made
$54.95 $54.95
SALE
Women's Cresta Midweight 250 T-Zip Top
L.L.Bean Women's Cresta Midweight 250 T-Zip Top
A blue merino wool T-zip base layer with odor resistance, flat-lock seams, and thumbhole cuffs.
(203)
$120 $99.99
SALE
What customers like:
Good quality
Warmth
True to size
Versatile
Comfortable
$120 $99.99
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 pair of synthetic base-layer pants in white with moisture-wicking, quick-drying fabric and close-to-body fit.
(116)
$54.95 $54.95
SALE
What customers like:
Adds extra warmth
Lightweight
Softness
Good fit
Comfortable
$54.95 $54.95
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 pair of lightweight black synthetic base-layer pants with moisture-wicking, quick-drying fabric and a close-to-body fit.
(86)
$54.95 $54.95
SALE
What customers like:
Great for layering
Provides warmth
Lightweight feel
$54.95 $54.95
SALE
Men's L.L.Bean Synthetic Silk Base Layer Pants
L.L.Bean Men's L.L.Bean Synthetic Silk Base Layer Pants
A lightweight brown synthetic-polyester baselayer providing smooth, close-fitting warmth without bulk.
(0)
$44.95 $44.95
SALE
$44.95 $44.95
SALE
Women's L.L.Bean Heavyweight Base Layer Crew Top
L.L.Bean Women's L.L.Bean Heavyweight Base Layer Crew Top
A black heavyweight base-layer crew top with recycled polyester, moisture-wicking fabric, thumbholes and odor control.
(0)
$64.95 $64.95
SALE
$64.95 $64.95
SALE
Men's L.L.Bean Heavyweight Base Layer Crew Top, Print
L.L.Bean Men's L.L.Bean Heavyweight Base Layer Crew Top, Print
A green heavyweight base-layer crew top with recycled polyester, moisture-wicking warmth, quick-drying fabric and thumbholes.
(0)
$64.95 $64.95
SALE
$64.95 $64.95
SALE
Women's L.L.Bean Midweight Base Layer Crew Top
L.L.Bean Women's L.L.Bean Midweight Base Layer Crew Top
A black midweight synthetic base-layer top with moisture-wicking, odor resistance, stretch and thumbhole cuffs.
(0)
$54.95 $54.95
SALE
$54.95 $54.95
SALE
Men's L.L.Bean Heavyweight Base Layer Hoodie, Print
L.L.Bean Men's L.L.Bean Heavyweight Base Layer Hoodie, Print
A heavyweight green base-layer hoodie with recycled polyester, moisture-wicking, quick-drying fabric and thumbhole sleeves.
(0)
$79.95 $79.95
SALE
$79.95 $79.95
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 black synthetic base-layer crewneck with moisture-wicking, quick-drying, pill-resistant fabric and thumbholes.
(0)
$54.95 $54.95
SALE
$54.95 $54.95
SALE
Women's L.L.Bean Midweight Base Layer Crew Top, 1/4 Zip
L.L.Bean Women's L.L.Bean Midweight Base Layer Crew Top, 1/4 Zip
A black synthetic base layer top with ¼-zip, moisture-wicking fabric, raglan sleeves and thumbholes.
(0)
$64.95 $64.95
SALE
$64.95 $64.95
SALE
Women's L.L.Bean Midweight Base Layer Pants
L.L.Bean Women's L.L.Bean Midweight Base Layer Pants
A pair of black synthetic base-layer pants with moisture-wicking, quick-drying stretch fabric and odor-resistant antimicrobial finish.
(0)
$54.95 $54.95
SALE
$54.95 $54.95
SALE
Men's L.L.Bean Heavyweight Base Layer Pant, Print
L.L.Bean Men's L.L.Bean Heavyweight Base Layer Pant, Print
A green heavyweight base layer pant with moisture-wicking, quick-drying recycled polyester fabric and odor-control finish.
(0)
$64.95 $64.95
SALE
$64.95 $64.95
SALE
Men's L.L.Bean Midweight Base Layer Crew Top
L.L.Bean Men's L.L.Bean Midweight Base Layer Crew Top
A green midweight synthetic base-layer top that wicks moisture, dries quickly and resists odor.
(0)
$54.95 $54.95
SALE
$54.95 $54.95
SALE
Women's LLB Simple Soft Base Layer Camisole
L.L.Bean Women's LLB Simple Soft Base Layer Camisole
A lightweight white synthetic camisole with pill-resistant, moisture-wicking, quick-drying fabric for easy layering and everyday warmth.
(0)
$39.95 $39.95
SALE
$39.95 $39.95
SALE
Men's L.L.Bean Midweight Base Layer Crew Top, 1/4 Zip
L.L.Bean Men's L.L.Bean Midweight Base Layer Crew Top, 1/4 Zip
A black midweight base-layer top with quarter-zip warmth, moisture-wicking fabric, thumbholes, and odor resistance.
(0)
$64.95 $64.95
SALE
$64.95 $64.95
SALE
Men's L.L.Bean Midweight Base Layer Pants
L.L.Bean Men's L.L.Bean Midweight Base Layer Pants
Fitted black base layer pants with moisture-wicking, quick-drying, odor-resistant fabric and comfortable stretch.
(0)
$54.95 $54.95
SALE
$54.95 $54.95
SALE
Men's L.L.Bean Heavyweight Base Layer Crew Top
L.L.Bean Men's L.L.Bean Heavyweight Base Layer Crew Top
A black heavyweight synthetic base-layer crew top with moisture-wicking, quick-drying fabric, odor control and thumb holes.
(0)
$64.95 $64.95
SALE
$64.95 $64.95
SALE
Little Kids' Wicked Warm Long Underwear, Expedition-Weight Print Top
L.L.Bean Little Kids' Wicked Warm Long Underwear, Expedition-Weight Print Top
A blue synthetic base-layer top with fleece lining, moisture-wicking fabric, four-way stretch, and a fun print.
(0)
$44.95 $44.95
SALE
$44.95 $44.95
SALE
Women's L.L.Bean Heavyweight Base Layer Crew Top, Print
L.L.Bean Women's L.L.Bean Heavyweight Base Layer Crew Top, Print
A blue heavyweight synthetic base layer top with moisture-wicking, quick-drying fabric, odor control and thumbholes.
(0)
$64.95 $64.95
SALE
$64.95 $64.95
SALE

Base Layers & Thermals

Base layers and thermals are foundational clothing pieces, and choosing them brings attention to the details that matter in a thoughtfully assembled wardrobe: fit, fabric, care and personal style. These are personal choices, often shaped by the clothing someone already owns and the details they have come to appreciate over time. A familiar neckline, a preferred sleeve length or a particular waistband style can matter more than a long list of features. Looking at base layers as part of a complete wardrobe gives those small preferences a useful place in the decision. The starting point might be a favorite garment whose measurements are worth comparing, a drawer that needs a little more organization or a preference for a coordinated look. There is no single formula for everyone. Some people enjoy choosing pieces together, while others prefer selecting each layer separately and giving every detail its own consideration. Timeless style offers a straightforward approach: look beyond a passing trend and consider what feels consistent with an established wardrobe. Neckline shape, garment length, visible detailing and overall proportions all contribute to that decision. Product photographs can provide a starting point, while written descriptions supply information that an image alone cannot settle. A front view, for example, may leave questions about the back neckline, the waistband or the placement of seams. Those details deserve attention before a choice is made. The same is true when replacing a familiar piece: a similar appearance does not necessarily mean identical measurements, fabric composition or care directions. Taking stock of what made the original a favorite creates a more useful comparison than relying on its size alone. Shopping for base layers and thermals becomes more personal, and less complicated, when the focus stays on those recognizable preferences rather than on finding one answer for every wardrobe.

Fit is an individual consideration, so size labels are best read alongside the measurements and guidance supplied for each garment. A letter or number is a starting point, not a complete description of proportions. Chest, waist, hip and inseam measurements provide different information, and the relevant measurements depend on the piece being considered. Comparing them with a current size chart is more useful than assuming that a size worn elsewhere will translate exactly. A well-liked garment laid flat on a table can also offer a helpful reference, provided its measurements are compared with garment measurements rather than body measurements. Length deserves separate attention: two pieces with the same size designation may have different proportions. Sleeve length, the position of a hem and the height of a waistband are all worth reviewing according to personal preference. For anyone choosing separate pieces, each deserves its own sizing check rather than an assumption that one size will answer every fit question. Fabric information adds another part of the picture. The composition listed for an individual garment is the place to find its actual material content; the broad terms “base layers” and “thermals” do not supply that detail on their own. Percentages, construction notes and care directions can be considered together, particularly when comparing an unfamiliar piece with something already in the wardrobe. Texture preferences are personal, too, and a photograph cannot fully communicate how a fabric will feel to an individual. Descriptive details are more useful when read with those preferences in mind. Seams, cuffs, neck openings and waistbands are other points to examine in the available photographs and descriptions. None needs to be the deciding factor for everyone. For one person, a particular neckline may lead the choice; for another, length or waistband construction may deserve closer attention. The goal is a considered selection based on the details provided for the garment, with room for the differences that make every wardrobe personal.

Care and long-term ownership belong in the conversation from the beginning, not only after a garment reaches the laundry basket. The care label provides the instructions for an individual piece, including any specified washing, drying or other treatment requirements. A familiar-looking garment should not be taken as a reason to assume familiar care directions. Reading those details before choosing gives a clearer sense of how a piece fits into an existing household routine. In a shared laundry space, knowing which garments have different requirements can make sorting more straightforward. A simple habit of keeping care information easy to reference can be useful when several similar-looking pieces belong to different family members. Quality and durability are worth considering with the same attention to specifics. Construction information provides a firmer basis for comparison than appearance alone, while expectations about wear should remain tied to the individual garment rather than the category name. Thoughtful ownership also includes knowing when a familiar piece no longer matches its original measurements or no longer suits personal preferences. Keeping a brief note of a favorite garment’s size and measurements can make a later comparison less dependent on memory. Base layers and thermals can also be a considered gift when the recipient’s preferences are well understood. Exact sizing, preferred garment shapes and care habits are more useful starting points than a guess based on appearance. For someone who is particular about fit, choosing together can be part of the gift itself. For someone who appreciates a familiar wardrobe staple, paying attention to the details of an existing favorite brings a personal touch without assuming that every similar-looking piece is the same. Related browsing through everyday thermal underlayers offers another way to explore the category while keeping those individual preferences in focus. Whether the choice is for a personal wardrobe or a thoughtful gift, the most useful considerations remain straightforward: clear product information, carefully checked measurements, familiar style preferences and care requirements that have been read before the decision is made.

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