Warm Base Layer Pants

Venture into the great outdoors with confidence and comfort wearing warm base layer pants from L.L.Bean. Designed to keep you cozy when temperatures drop, these pants are an essential part of any outdoor enthusiast's wardrobe. Whether you're hitting the slopes or enjoying a brisk winter hike, our collection provides unparalleled warmth and comfort. Crafted with quality materials that promise durability and lasting value, these base layer pants are as versatile as they are reliable. Embrace every adventure with ease, knowing your layers will support you through all your cold-weather activities.

Sort by:

Filter & Sort

298 Items

Women's PrimaLoft ThermaStretch Fleece Tights, Mid-Rise
Price was from: $99 now: $79.99

A pair of mid-rise fleece/nylon tights in fig, featuring moisture-wicking and odor control for ultimate warmth.

Pros: Great fit Quality Warmth Softness Comfortable
Women's Silk Underwear, Pants

A lightweight, breathable silk base layer providing warmth without bulk, perfect for active and casual wear.

Pros: Lightness Comfort Warmth Softness Versatility
Men's L.L.Bean Midweight Base Layer Pants
Price was from: $49.95 now: $39.99

A blue synthetic base layer pant with moisture-wicking, quick-drying, and odor-resistant properties for all-day comfort.
Men's Silk Underwear, Pants

A strong, lightweight pair of black silk pants offering warmth and comfort without added bulk.

Pros: Great fit Warmth Comfortable Well made Versatile for weather
Men's Cresta Midweight 250 Pants

A versatile base layer made of itch-free merino wool, wicking sweat and resisting odor in dark black.

Pros: Great color Versatile use Soft and lightweight Excellent warmth Comfortable fit
Men's Double-Layer Underwear, Pants
Price was from: $49.95 now: $39.99

A blue wool-blend thermal pant featuring a double-layer design for superior warmth and comfort.
Women's Cresta Midweight 250 Pants, High-Rise Slim-Leg

A high-rise, slim-leg base layer made from 100% merino wool, perfect for warmth and odor resistance.

Pros: Great fit High-quality fabric Non-itchy material Comfortable to wear Excellent warmth
Women's L.L.Bean Midweight Base Layer Pants
Price was from: $49.95 now: $39.99

A blue synthetic midweight base layer pant that wicks moisture, resists odor, and offers just-right stretch.
Men's L.L.Bean Fleece Baselayer Pants
Price was from: $44.95 now: $34.99

A warm and cozy baselayer made from recycled polyester, perfect for skiing or lounging by the fire.

Pros: Cozy Warm Comfortable Thick Soft
Women's L.L.Bean Fleece Base Layer Pants, Mid-Rise
Price was from: $44.95 now: $34.99

A warm, cozy mid-rise base layer made from recycled polyester in faded sage, perfect for winter activities.

Pros: Great fit High comfort Good thickness Excellent warmth Casual style
Women's L.L.Bean Heavyweight Base Layer Pants
Price was from: $59.95 now: $49.99

A heavyweight green base layer pant made from recycled polyester, offering warmth, odor control, and moisture-wicking comfort.
Men's Cresta Wool Ultralight 150 Pants

An ultralight base layer made of 100% merino wool, perfect for cool-weather sports and odor-resistant.

Pros: Lightweight Warm without being bulky Stylish Durable Comfortable
Women's Cresta Ultralight 150 Pants, High-Rise Slim-Leg

A high-rise, slim-leg base layer made from itch-free 100% merino wool in alloy gray.
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 layering.

Pros: Adds extra warmth Lightweight Very soft Good fit Comfortable
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.

Pros: Ideal for layering Provides warmth Lightweight feel
Women's Cresta Ultralight 150 Pants, High-Rise Slim-Leg Stripe

A lightweight, high-rise slim-leg base layer made of soft, itch-free 100% merino wool in striped patterns.
Men's Cresta Wool Ultralight 150 Pant, Stripe

A slim-leg base layer pant made of itch-free 100% merino wool, available in regatta blue and glacier blue.
Men's L.L.Bean Heavyweight Base Layer Pant

A midnight black heavyweight base layer pant made from recycled polyester, perfect for warmth and moisture-wicking.
Men's L.L.Bean Heavyweight Base Layer Pant, Print

A heavyweight base layer pant in kelp green camo, made from recycled polyester for warmth and moisture-wicking.
Women's L.L.Bean Midweight Base Layer Pants

A versatile lavender ice base layer pant made from recycled polyester, offering warmth, moisture-wicking, and odor resistance.
Men's L.L.Bean Midweight Base Layer Pants

A versatile midweight base layer in midnight black, made from recycled polyester for warmth and quick-drying comfort.
Women's L.L.Bean Heavyweight Base Layer Pants

A versatile, moisture-wicking, and quick-drying heavyweight base layer with REPREVE® recycled polyester in midnight black.
Women's PrimaLoft ThermaStretch Fleece Pocket Tights, Mid-Rise

A pair of mid-rise black fleece/nylon tights with plush interior and handy phone pockets.

Pros: Handy pockets Warmth Softness Comfortable Good fit
Women's Perfect Fit Pants, Fleece-Backed Slim-Leg

A cozy pair of slim-leg pants with a fleece-like interior, made from a cotton blend.

Pros: High quality Perfect fit Warmth Cozy lining Comfortable fit

Warm Base Layer Pants

When it comes to staying comfortable in chilly weather, warm base layer pants are one of those pieces you’ll reach for again and again. Whether you’re planning a late fall camping trip, gearing up for a morning hike when the air still holds a crisp bite, or simply looking to keep cozy during outdoor chores, the right base layer makes all the difference. These versatile pants are designed to be worn under your favorite outdoor gear, offering a crucial first layer of warmth without adding bulk. They’re made with soft, breathable fabrics that help regulate body temperature, wick away moisture, and keep you feeling dry and comfortable, even as activity levels change. Many people appreciate how easily base layer pants can be integrated into daily routines—perfect for layering under jeans on a brisk walk with the dog, or for slipping on before heading out to the backyard to catch the sunrise with a mug of coffee in hand. Their lightweight, flexible construction means you can move freely, whether you’re stretching at the trailhead or settling in for a long car ride to your next adventure.

Warm base layer pants also make thoughtful gifts, especially for anyone who loves spending time outdoors. They’re a practical choice for family members who enjoy winter sports, friends who like to camp year-round, or anyone who simply wants to stay warm and comfortable when the temperature drops. These pants are a favorite among parents looking for reliable options to keep kids warm during sledding or snowball fights, as well as for grandparents who appreciate comfort and ease of use. Thanks to their timeless design and lasting value, base layer pants are a staple in many closets—ready to be pulled out for everything from raking leaves in the fall to layering up for a weekend at a chilly cabin. They’re easy to care for, durable enough to stand up to repeated use, and versatile enough to transition from outdoor activities to relaxing at home. For those seeking a wider range of options, including different sizes and styles, our collection of Men's Baselayer Pants offers something for everyone, ensuring that every adventure—big or small—starts off on the right foot.

As summer days begin to hint at cooler evenings, now is a great time to think ahead and prepare for the months when warmth and comfort become top priorities. Layering is key to enjoying the outdoors year-round, and base layer pants are an essential part of that strategy. They’re not just for the coldest days, either—many people find them useful for early-morning jogs, camping trips where temperatures can swing from warm afternoons to chilly nights, or even as a cozy layer for lounging at home. Their classic, understated style fits seamlessly with any wardrobe, and their reliable performance means you can count on them season after season. Whether you’re shopping for yourself or looking for a practical, appreciated gift, warm base layer pants are a smart addition to any collection of outdoor essentials—helping you and your loved ones stay comfortable and ready for whatever the day brings.