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Warm Base Layer Pants

Find warm base layer pants to start with an extra layer of warmth. Browse the selection and compare each style’s fit, sizing and care details to choose the right pair, keeping in mind how they’ll fit beneath your other layers.

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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, offering warmth and odor resistance in dark black.
(439)
$99.95 $99.95
SALE
What customers like:
Great color
Easy to wash
Comfortable and soft
Very versatile
Excellent warmth
$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 black 100% merino wool base layer that wicks moisture, resists odor, and provides versatile warmth.
(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 L.L.Bean Heavyweight Base Layer Pant
L.L.Bean Men's L.L.Bean Heavyweight Base Layer Pant
A black heavyweight base-layer pant made with recycled polyester, offering moisture-wicking, quick-drying warmth and odor control.
(0)
$64.95 $64.95
SALE
$64.95 $64.95
SALE
Women's L.L.Bean Heavyweight Base Layer Pants
L.L.Bean Women's L.L.Bean Heavyweight Base Layer Pants
A black heavyweight base layer with recycled polyester, moisture-wicking, quick-drying fabric and warm, comfortable tapered fit.
(0)
$64.95 $64.95
SALE
$64.95 $64.95
SALE
Women's L.L.Bean Heayweight Base Layer Pant, Print
L.L.Bean Women's L.L.Bean Heayweight Base Layer Pant, Print
A blue heavyweight base layer pant in recycled polyester with moisture-wicking, quick-drying warmth and odor control.
(0)
$64.95 $64.95
SALE
$64.95 $64.95
SALE
Men's Cresta Wool Ultralight 150 Pants
L.L.Bean Men's Cresta Wool Ultralight 150 Pants
A gray merino wool base layer with moisture-wicking warmth, odor resistance, flat-lock seams and gusseted mobility.
(142)
$89.95 $89.95
SALE
What customers like:
Lightweight
Warm without being bulky
Stylish
Durable
Comfortable
$89.95 $89.95
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 in recycled polyester blend, moisture-wicking, quick-drying and odor-controlling for outdoor warmth.
(0)
$64.95 $64.95
SALE
$64.95 $64.95
SALE
Men's Double-Layer Underwear, Pants
L.L.Bean Men's Double-Layer Underwear, Pants
A blue double-layer thermal pant with a wool-blend exterior, soft cotton interior, and nonchafing flatlock seams.
(392)
$54.95 $54.95
SALE
$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 gray, ultralight 100% merino wool base layer with a high-rise fit, flat-lock seams and warmth for every season.
(119)
$89.95 $89.95
SALE
$89.95 $89.95
SALE
Men's L.L.Bean Midweight Base Layer Pants
L.L.Bean Men's L.L.Bean Midweight Base Layer Pants
A blue midweight synthetic base layer that wicks moisture, dries quickly, resists odor, and stretches comfortably.
(0)
$54.95 $54.95
SALE
$54.95 $54.95
SALE
Men's Cresta Wool Ultralight 150 Pant, Stripe
L.L.Bean Men's Cresta Wool Ultralight 150 Pant, Stripe
A blue merino wool base layer with moisture-wicking warmth, odor resistance, and flat-lock seams for comfort.
(0)
$89.95 $64.99
SALE
$89.95 $64.99
SALE
Women's L.L.Bean Midweight Base Layer Pants
L.L.Bean Women's L.L.Bean Midweight Base Layer Pants
A purple midweight base layer with recycled polyester that wicks moisture, dries fast and resists odors.
(0)
$54.95 $54.95
SALE
$54.95 $54.95
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 $39.99
SALE
What customers like:
Great fit
Quality
Warmth
Comfortable
Versatile for weather
$54.95 $39.99
SALE
Kids' Wicked Warm Long Underwear, Expedition-Weight Pants
L.L.Bean Kids' Wicked Warm Long Underwear, Expedition-Weight Pants
A blue synthetic base layer with brushed-fleece warmth, moisture-wicking performance, quick-drying comfort, and four-way stretch.
(81)
$32.95 $32.95
SALE
What customers like:
No annoying seams
True to size
Cozy
Warm
Super soft
$32.95 $32.95
SALE
Kids' Wicked Warm Long Underwear, Expedition-Weight Print Pants
L.L.Bean Kids' Wicked Warm Long Underwear, Expedition-Weight Print Pants
A blue, expedition-weight base layer pant in moisture-wicking synthetic fabric with lightweight fleece lining.
(0)
$39.95 $39.95
SALE
$39.95 $39.95
SALE
Kids' Wicked Warm Midweight Long Underwear, Pants Print
L.L.Bean Kids' Wicked Warm Midweight Long Underwear, Pants Print
A midweight synthetic base-layer pant with colorful print, covered waistband, and moisture-wicking warmth for active kids.
(84)
$29.95 $29.95
SALE
$29.95 $29.95
SALE
Women's Cresta Ultralight 150 Pants, High-Rise Slim-Leg Stripe
L.L.Bean Women's Cresta Ultralight 150 Pants, High-Rise Slim-Leg Stripe
A lightweight, itch-free striped 100% merino wool base layer offering soft warmth across seasons.
(43)
$89.95 $75.99
SALE
$89.95 $75.99
SALE
Women's L.L.Bean Synthetic Silk Base Layer Pants
L.L.Bean Women's L.L.Bean Synthetic Silk Base Layer Pants
A lightweight brown synthetic-polyester base layer designed as a smooth, warm first layer.
(0)
$44.95 $44.95
SALE
$44.95 $44.95
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 white synthetic base layer pant with pill-resistant, moisture-wicking fabric that dries quickly and layers comfortably.
(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 lightweight green synthetic base layer pant with moisture-wicking, pill-resistant fabric for warmth without bulk.
(86)
$54.95 $54.95
SALE
What customers like:
Great for layering
Provides warmth
Lightweight feel
$54.95 $54.95
SALE
Kids' Wicked Warm Midweight Long Underwear, Pants
L.L.Bean Kids' Wicked Warm Midweight Long Underwear, Pants
A black polyester midweight base layer that traps warmth, wicks moisture, and stays securely in place.
(0)
$24.95 $24.95
SALE
$24.95 $24.95
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 black synthetic base layer offering smooth, close-fitting warmth without bulk.
(0)
$44.95 $44.95
SALE
$44.95 $44.95
SALE
Women's Silk Pointelle, Pants
L.L.Bean Women's Silk Pointelle, Pants
A virtually weightless pair of dark plum rose silk pants with an elasticized waist and feminine touch.
(881)
$69.95 $58.99
SALE
What customers like:
Comfort
Light weight
Warmth
Softness
Good fit
$69.95 $58.99
SALE
Women's PrimaLoft ThermaStretch Fleece Tights, Mid-Rise
L.L.Bean Women's PrimaLoft ThermaStretch Fleece Tights, Mid-Rise
A black, mid-rise fleece-lined tights made from a moisture-wicking polyester-nylon-spandex blend for warm, flexible comfort.
(1,413)
$110 $110
SALE
What customers like:
Great fit
Soft and cozy
High quality
Very comfortable
Exceptional warmth
$110 $110
SALE

Warm Base Layer Pants

Warm Base Layer Pants are a simple place to start when you want a little more warmth in your outfit. As the first layer you put on, they deserve the same attention to fit and personal preference as the pants you wear over them. Think about the styles already in your closet: a trim pair of pants leaves less room underneath than a roomier cut, and your base layer should fit comfortably into that combination. Begin with the size chart, then check the listed measurements and fit description rather than assuming your usual pants size will tell the whole story. Pay particular attention to the waist, rise and inseam. Those details can help you choose a pair that feels right from the moment you get dressed, without extra length gathering at the ankles or a waistband sitting somewhere you don’t like.

Choosing warmth is personal, too. One person reaches for an extra layer at the first cool morning, while another waits until the windows are edged with frost. Let your own preferences guide the comparison, and look to each pair’s description for its stated warmth level rather than judging by appearance alone. Consider how much room you want beneath your outer pants and whether you prefer a closer or more relaxed fit. A close fit shouldn’t mean choosing a smaller size; the listed cut and measurements are better starting points. Small design details are worth a look as well. Compare waistband styles, ankle openings and any listed construction details that matter to you, especially if you already have a favorite pair and know exactly what you would change about it. The most useful choice is one that works with the way you like to dress, not one that asks you to rethink everything else you wear.

Base layer pants can also make a thoughtful gift for someone who appreciates practical additions to their wardrobe or often wishes they had another warm layer. There’s something personal about remembering that a partner always feels the chill before you do, or that a parent has been meaning to replace a well-used pair. Because this is a close-to-body layer, a little knowledge of the recipient’s preferred fit goes a long way. If possible, check the size and inseam of a pair they already enjoy wearing, and consider their preferences rather than simply choosing what you would choose for yourself. Whether you’re shopping for someone else or refreshing your own drawer, review the care instructions before deciding. Finding warmth, a suitable fit and a care routine that suits the household makes for a purchase chosen with everyday life in mind.

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