Skip to main content

It's time to upgrade your browser

Your current browser is no longer supported on llbean.com. Please upgrade to one of the following for a smoother, safer shopping experience with us:

Thermal Base Layer Bottoms

Thermal base layer bottoms provide a comfortable foundation for layered outfits, whether you’re heading outside or staying active indoors. Explore a selection of styles to find the right fit for your everyday routine.

Read More
Men's Double-Layer Underwear, Pants
L.L.Bean Men's Double-Layer Underwear, Pants
A durable, dark indigo thermal underwear with a wool blend exterior and soft cotton interior for ultimate warmth.
(392)
$54.95 $54.95
SALE
$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 itch-free merino wool in eggplant heather for versatile warmth.
(390)
$99.95 $84.99
SALE
What customers like:
Great fit
Perfect weight
Warmth
Non-itchy
Comfortable fabric
$99.95 $84.99
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, perfect for cool-weather sports and odor-resistant.
(142)
$89.95 $89.95
SALE
What customers like:
Lightweight
Warm without being bulky
Stylish
Durable
Comfortable
$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
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
Women's L.L.Bean Heavyweight Base Layer Pants
L.L.Bean Women's L.L.Bean Heavyweight Base Layer Pants
A versatile, moisture-wicking, and quick-drying base layer with a high-rise fit, made from recycled polyester.
(0)
$64.95 $64.95
SALE
$64.95 $64.95
SALE
Men's L.L.Bean Heavyweight Base Layer Pant
L.L.Bean Men's L.L.Bean Heavyweight Base Layer Pant
A heavyweight base layer pant in midnight black, made from recycled polyester, wicks moisture and controls odor.
(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
A versatile midweight base layer in pinewood green, made from recycled polyester for warmth and moisture-wicking comfort.
(0)
$54.95 $54.95
SALE
$54.95 $54.95
SALE
Men's Two-Layer Union Suit
L.L.Bean Men's Two-Layer Union Suit
A supersoft red union suit with a wool blend for warmth and flexibility, featuring nonchafing flatlock seams.
(541)
$99.95 $99.95
SALE
What customers like:
Fits well
Well-made
Warmth
Comfortable
Good value
$99.95 $99.95
SALE

Outdoor Travel Bags

Outdoor travel bags make it easier to organize thermal base layer bottoms, shirts, socks and other cold-weather essentials for trips outside. Look for travel bags with practical compartments that separate clothing from footwear, accessories and personal items, making it simple to pack a complete base layer system for hiking, camping, skiing or winter travel. A thoughtfully arranged bag also helps keep warm layers accessible when temperatures change throughout the day. For road trips, cabin stays and outdoor adventures, choose a travel bag with enough room for thermal underwear, extra clothing and everyday gear without creating unnecessary clutter. Duffel bags, backpacks and soft-sided luggage can each serve different travel needs, while zippered pockets help hold smaller items such as gloves, hats and chargers. Packing thermal base layer bottoms near the top of an outdoor travel bag means they are ready to wear as soon as you arrive at the trailhead, campsite or lodge.

Read More

FAQs