Summer Base Layers

Get ready to enhance your warm-weather adventures with our versatile summer base layers. Designed to keep you comfortable and cool, these essential pieces provide the perfect foundation for any outdoor activity. Whether you're hiking, biking, or simply enjoying a sunny day out, our summer base layers offer the ideal combination of breathability and comfort. Choose from a variety of styles and colors that effortlessly blend functionality with timeless appeal, ensuring you stay at ease and looking great all season long.

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298 Items

Women's Silk Underwear, Pants

A lightweight, cream-colored silk base layer providing breathable warmth without bulk for women.

Pros: Soft and smooth fabric Versatile use Breathable warmth Lightweight and thin Comfortable fit
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 Cresta Wool Midweight 250 Crew Top

A versatile dark black merino wool base layer that wicks sweat, resists odor, and keeps you warm.

Pros: Perfect fit Soft and comfortable Durable fabric Available in big and tall sizes Great warmth
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 100% merino wool that wicks sweat, resists odor, and keeps you warm.

Pros: Soft material Odor resistant Versatile use Great warmth Comfortable fit
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.

Pros: Great fit High-quality fabric Non-itchy material Comfortable to wear Excellent warmth
Women's Cresta Midweight 250 Crew Top

A midweight merino wool crew top in carbon navy that wicks sweat, resists odor, and keeps you warm.

Pros: Holds its shape Perfect base layer Breathability Warmth Regulates body temperature
Women's Cresta Midweight 250 T-Zip Top

An eggplant heather midweight merino wool top that wicks sweat, resists odor, and keeps you warm.

Pros: Good quality Warmth True to size Versatile Comfortable
Men's Cresta Ultralight 150 Crew Top

An alloy gray, 100% merino wool crew top offering lightweight warmth and comfort with thumbhole cuffs.

Pros: Soft material Warmth Good fit Comfortable Versatility
Women's Cresta Ultralight 150 Crew Top

A lightweight, alloy gray crew top made from 100% merino wool, perfect as a warm base layer.

Pros: Not itchy Lightweight Versatile Warm Comfortable
Women's L.L.Bean Simple Soft Base Layer, Crew

A lightweight, moisture-wicking base layer crewneck in sea salt, made from 94% polyester and 6% spandex.

Pros: Great fit Smooth fabric Good material Softness Dino style
Women's Cresta Ultralight 150 Crew Top, Short-Sleeve
Price was from: $69 now: $29.99

An alloy gray, short-sleeve base layer made from 100% merino wool, perfect for transitioning seasons.

Pros: Great color Lightweight and versatile High-quality fabric Comfortable wool material Excellent warmth
Women's Cresta Ultralight 150 Pants, High-Rise Slim-Leg

An ultralight, high-rise slim-leg pant in alloy gray, made from 100% merino wool for year-round warmth.
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.

Pros: Adds extra warmth Lightweight Softness Good fit Comfortable
Women's Cresta Wool Ultralight 150 Base Layer, Hoodie

An ultralight, alloy gray Merino wool hoodie that wicks moisture, resists odors, and fits comfortably under helmets.

Pros: High-quality material Easy to care for Perfect under layer Lightweight design Comfortable fit
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.

Pros: Soft and fleecy interior Ideal for winter sports Warm and comfortable Good fit Fashionable and supportive
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
Men's Cresta Ultralight 150 Crew Top, Stripe

A remarkably soft and warm striped crew top made of 100% merino wool with thumbhole cuffs.
Women's Cresta Ultralight 150 Pants, High-Rise Slim-Leg Stripe

A high-rise, slim-leg base layer made of soft, itch-free 100% merino wool in ocean waves or storm teal.
Men's L.L.Bean Simple Soft Base Layer, Crew

A lightweight, moisture-wicking synthetic base layer crewneck in faded sage heather, perfect for everyday warmth.
Men's L.L.Bean Lightweight Crew Base Layer, Long Sleeve
Price was from: $39.95 now: $29.99

A black, lightweight synthetic long-sleeve base layer that wicks moisture, resists odor, and layers easily.
Women's Cresta Utralight 150 Crew Top, Print
Price was from: $79 now: $34.99

A lightweight, form-fitting merino wool crew top in sea salt camo, perfect for any season.
Women's L.L.Bean Everyday Performance Tank, Cropped Print
Price was from: $74.95 now: $59.99

A sublimely soft, stretchy cropped tank in midnight black cloud with UPF 50+ and moisture-wicking fabric.
Women's L.L.Bean Midweight Base Layer Crew Top

A versatile midweight base layer with REPREVE® recycled polyester, offering warmth, moisture-wicking, and odor resistance.

Summer Base Layers

When the days stretch long and the sun sits high in the sky, summer adventures call for base layers that are as comfortable as they are dependable. Whether you're heading out for a morning hike before the heat settles in, casting a line at your favorite fishing spot, or simply enjoying a backyard barbecue with family and friends, the right summer base layers can make all the difference. Lightweight, breathable fabrics are essential for keeping cool and dry, especially when the humidity rises or the activity level picks up. These pieces are thoughtfully designed to wick away moisture, dry quickly, and provide just the right amount of coverage—so you can focus on making the most of every moment outside. For those who love to travel, a few well-chosen base layers can be the cornerstone of a versatile summer wardrobe, easily layered under a shirt or jacket when the temperature drops in the evening or worn on their own during the hottest part of the day.

Summer base layers aren’t just for avid hikers or outdoor enthusiasts—they’re a smart addition to anyone’s warm-weather rotation. They make a practical gift for college students heading off to campus, campers gearing up for a season under the stars, or anyone who enjoys spending time outside, from early morning dog walkers to weekend gardeners. Parents appreciate having comfortable, easy-to-wash layers for kids who never stop moving, while grandparents love the lasting quality and timeless style that stands up to years of family outings. With features like flat seams for chafe-free comfort and stretch that moves with you, these layers are built for everything from impromptu games of tag to long afternoons exploring new trails. The best summer base layers slip seamlessly into your day, offering comfort and confidence whether you’re relaxing on the porch or setting out on a new adventure.

Choosing the right summer base layer comes down to understanding your own needs and the kinds of activities you enjoy. Look for pieces that balance durability and softness, so you can count on them season after season. Breathable materials and easy-care construction mean less time worrying about laundry and more time soaking up the sunshine. If you’re curious about building a versatile collection of base layers that work year-round, you’ll find plenty of helpful information and options on our Outdoor Base Layers page. With a few reliable layers in your drawer, you’ll be ready for whatever summer brings—whether that’s a spontaneous road trip, a day by the lake, or a simple stroll around the neighborhood at sunset.

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Summer Base Layers