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Base Layers For Hiking

Gear up for your next outdoor adventure with base layers for hiking that promise comfort and versatility. Whether you're trekking through chilly mountain trails or setting off on a brisk morning walk, these essentials are designed to keep you warm and dry. Crafted with quality materials that stand the test of time, our base layers provide the perfect foundation for layering, allowing you to adapt effortlessly to changing weather conditions. With a focus on durability and ease of use, these pieces are a must-have for anyone looking to enhance their hiking experience. Embrace the great outdoors with confidence, knowing your base layers are up to the task.

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Men's Two-Layer Union Suit
L.L.Bean Men's Two-Layer Union Suit
A supersoft, charcoal union suit with a wool blend for warmth and a roomy fit for comfort.
(541)
$99.95 $99.95
SALE
What customers like:
Functional
Fits well
Well-made
Warmth
Comfortable
$99.95 $99.95
SALE
Men's Cresta Wool Midweight 250 Crew Top
L.L.Bean Men's Cresta Wool Midweight 250 Crew Top
A dark black merino wool crew top that wicks sweat, resists odor, and features thumbhole cuffs.
(489)
$99.95 $99.95
SALE
What customers like:
Great fit
Comfortable feel
Durable material
Soft fabric
Excellent warmth
$99.95 $99.95
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 $54.95
SALE
What customers like:
Great fit
Quality
Warmth
Comfortable
Versatile for weather
$54.95 $54.95
SALE
Men's Cresta Midweight 250 Pants
L.L.Bean Men's Cresta Midweight 250 Pants
A versatile midweight base layer made of 100% merino wool, offering warmth, sweat-wicking, and odor resistance.
(439)
$99.95 $99.95
SALE
What customers like:
Very comfortable
Great color
Highly versatile
Easy to wash
Excellent warmth
$99.95 $99.95
SALE
Men's Silk Underwear, Crewneck
L.L.Bean Men's Silk Underwear, Crewneck
A lightweight black silk crewneck providing strong, comfortable warmth as a perfect base layer.
(410)
$54.95 $54.95
SALE
What customers like:
Durable
Comfortable
Warm
Great for travel
Feels like real silk
$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 100% merino wool, perfect for warmth and odor resistance.
(390)
$99.95 $84.99
SALE
What customers like:
Great fit
High-quality fabric
Non-itchy material
Comfortable to wear
Excellent warmth
$99.95 $84.99
SALE
Men's Cresta Midweight 250 Quarter-Zip Top
L.L.Bean Men's Cresta Midweight 250 Quarter-Zip Top
A versatile dark black merino wool base layer with thumbhole cuffs and flat-lock seams for smooth fit.
(375)
$120 $120
SALE
What customers like:
Convenience
Keeps you warm
Comfort
Durability
Versatility
$120 $120
SALE
Women's Cresta Midweight 250 Crew Top
L.L.Bean Women's Cresta Midweight 250 Crew Top
An eggplant heather, midweight merino wool crew top that wicks sweat, resists odor, and keeps you warm.
(364)
$99.95 $84.99
SALE
What customers like:
Great fit
Breathable fabric
Perfect base layer
Soft and comfortable
Excellent warmth
$99.95 $84.99
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 base layer that wicks sweat, resists odor, and features thumbhole cuffs.
(203)
$120 $120
SALE
What customers like:
Well-made
Warmth
True to size
Versatile
Comfortable
$120 $120
SALE
Men's Cresta Ultralight 150 Crew Top
L.L.Bean Men's Cresta Ultralight 150 Crew Top
An alloy gray, 100% merino wool crew top offering lightweight warmth and comfort for all-season activities.
(157)
$89.95 $89.95
SALE
What customers like:
Soft material
Warmth
Good fit
Comfortable
Versatility
$89.95 $89.95
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 and odor resistance in alloy gray.
(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, Crew
L.L.Bean Women's L.L.Bean Simple Soft Base Layer, Crew
A lightweight, dark black synthetic base layer crewneck with moisture-wicking, quick-dry fabric and thumbholes.
(127)
$54.95 $54.95
SALE
What customers like:
Great fit
Smooth fabric
Softness
Dino style
Material
$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 high-rise, slim-leg base layer made of 100% merino wool, providing warmth and comfort year-round.
(119)
$89.95 $89.95
SALE
$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 base layer pant in Sea Salt, made from 94% polyester and 6% spandex.
(116)
$54.95 $54.95
SALE
What customers like:
Adds extra warmth
Lightweight
Softness
Good fit
Comfortable
$54.95 $54.95
SALE
Women's Cresta Wool Ultralight 150 Base Layer, Hoodie
L.L.Bean Women's Cresta Wool Ultralight 150 Base Layer, Hoodie
An alloy gray, 100% 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 Base Layer, Hoodie
L.L.Bean Men's Cresta Wool Ultralight 150 Base Layer, Hoodie
An alloy gray, 100% Merino wool hoodie base layer that wicks moisture, resists odors, and fits snugly.
(86)
$99.95 $99.95
SALE
What customers like:
Soft and fleecy interior
Ideal for winter sports
Warm and comfortable
Good fit
Fashionable and supportive
$99.95 $99.95
SALE
Men's Cresta Ultralight 150 Crew Top, Stripe
L.L.Bean Men's Cresta Ultralight 150 Crew Top, Stripe
A remarkably soft and warm striped crew top made of 100% merino wool, perfect for any season.
(75)
$89.95 $75.99
SALE
$89.95 $75.99
SALE
Women's Cresta Ultralight 150 Crew Top, Stripe
L.L.Bean Women's Cresta Ultralight 150 Crew Top, Stripe
An itch-free 100% merino wool base layer, perfect for cold-weather sports, available in ocean waves and storm teal.
(67)
$89.95 $75.99
SALE
What customers like:
Ideal as long underwear
Provides excellent warmth
Soft merino wool material
$89.95 $75.99
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 high-rise, slim-leg base layer made from soft, itch-free 100% merino wool in ocean waves or storm teal.
(43)
$89.95 $75.99
SALE
$89.95 $75.99
SALE
Men's Cresta Ultralight 150 Hoodie, Stripe
L.L.Bean Men's Cresta Ultralight 150 Hoodie, Stripe
A form-fitting, 100% merino wool hoodie in regatta blue, perfect as a base layer for winter sports.
(0)
$99.95 $84.99
SALE
$99.95 $84.99
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 base layer hoodie in kelp green camo, made from recycled polyester and elastane.
(0)
$79.95 $79.95
SALE
$79.95 $79.95
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

Base Layers For Hiking

When it comes to enjoying time on the trail, the right base layer is the foundation of comfort, performance, and versatility. Whether you’re heading out for a sunrise hike with friends, organizing a family camping trip, or planning a solo trek along your favorite ridgeline, a thoughtfully chosen base layer can make all the difference. These essential pieces are designed to be worn directly against your skin, forming the first line of defense against changing conditions. The primary job of a base layer is to wick moisture away from your body as you move, helping you stay dry and comfortable even as the temperature shifts or your pace picks up. Unlike cotton, which tends to hold onto sweat and can leave you feeling clammy or chilled, technical fabrics like merino wool, alpaca blends, and synthetic fibers such as polyester and nylon are engineered to pull moisture away efficiently, dry quickly, and regulate temperature. Merino wool stands out for its natural softness, odor resistance, and ability to insulate even when damp—qualities that are especially appreciated on longer adventures or multi-day trips. Synthetics, on the other hand, are beloved by those who push the pace, offering excellent breathability and durability for high-exertion hikes and quick scrambles. Alpaca blends are gaining popularity for their impressive warmth-to-weight ratio and gentle feel, making them a welcome addition to any hiker’s layering system.

Choosing the right base layer often comes down to personal preference, the intensity of your activity, and the typical weather you’ll encounter. Lightweight options, usually in the 150-200 weight range, are ideal for warmer days, high-output hikes, or those moments when you want to keep cool and dry without extra bulk. Midweight layers—often around 250 weight—offer the perfect balance for transitional seasons or variable conditions, providing just enough warmth while still wicking away sweat as you climb, descend, or pause for a break. Heavyweight base layers are reserved for truly cold conditions or slower-paced outings, when trapping heat becomes a priority. Fit is another important factor: a base layer should hug the body closely to maximize moisture transfer but never feel restrictive. Look for features like flatlock seams to minimize chafing under backpack straps, and consider zip-neck designs for easy venting as you warm up or cool down on the trail. These thoughtful details can transform a long day outdoors from a test of endurance into a truly restorative experience. Base layers also make thoughtful gifts for outdoor-loving friends and family—perfect for anyone who values time outside, whether they’re seasoned hikers, weekend wanderers, or just beginning to explore the joys of nature together.

No matter your destination or experience level, investing in quality base layers sets you up for success across a range of outdoor adventures. They’re equally at home on a misty morning walk, a brisk afternoon summit, or an impromptu backyard campout with the kids. With so many options available, it’s easy to find styles and fabrics that suit your climate, activity, and personal taste—helping you build a layering system that adapts as you do. For hikers who prioritize breathability and comfort during the warmer months or high-intensity outings, our curated collection of Lightweight Layers for Hiking offers more ideas and inspiration. However you choose to explore, the right base layer is a small detail that delivers big returns—keeping you dry, comfortable, and ready to make the most of every moment outdoors.
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What materials are best for hiking base layers?

The most popular materials for hiking base layers are merino wool and technical synthetic fabrics. Merino wool is prized for its softness, odor resistance, and ability to insulate even when damp. Synthetic fibers, such as polyester blends, excel at wicking moisture and drying quickly, making them ideal for high-activity hikes or variable weather conditions.

How do base layers help regulate body temperature during a hike?

Base layers work by pulling moisture away from your skin and dispersing it across the fabric’s surface, where it can evaporate quickly. This process helps keep you dry and comfortable, preventing chills in cold weather and overheating during high-exertion activities. The right base layer acts as a foundation for an effective layering system, helping you adapt to changing temperatures and activity levels on the trail.

Can hiking base layers be worn for activities other than hiking?

Absolutely! Hiking base layers are versatile enough for a variety of outdoor activities, including camping, skiing, snowshoeing, running, and even everyday wear during cooler months. Their moisture-wicking and insulating properties make them a practical choice for any activity where comfort and temperature regulation are important.

How should I care for my hiking base layers to ensure they last?

To keep your hiking base layers performing at their best, wash them in cold water with mild detergent and avoid using fabric softeners, which can affect moisture-wicking properties. Merino wool layers should be laid flat to dry, while most synthetic layers can be tumble dried on low. Always follow the care instructions on your garment’s label for the best results.

What makes backpacking underwear mens styles different from regular underwear?

Backpacking underwear mens styles are specifically designed for long days on the trail, featuring quick-drying, moisture-wicking fabrics and construction that minimizes chafing. These features help keep you comfortable and dry during extended hikes, making them a reliable choice for both daily adventures and multi-day backpacking trips.