Women's Running Base Layer Tops

Women's running base layer tops are designed to help you stay comfortable and confident on every run, whether you're hitting the pavement or exploring your favorite trails. Built for lasting value and all-day comfort, these versatile tops make it easy to layer up or wear on their own as the seasons change. With a focus on quality materials and timeless style, you'll find options that move with you and fit seamlessly into your active routine. Find your new go-to piece for every mile ahead.

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Women's Cresta Ultralight 150 Crew Top

An alloy gray, form-fitting crew top made of 100% merino wool, perfect as a lightweight base layer.

Pros: Not itchy Lightweight Warmth Versatile Comfortable
Women's Cresta Midweight 250 Crew Top

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

Pros: Perfect base layer Breathability Warmth Softness Regulates body temperature
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 Wool Ultralight 150 Base Layer, Hoodie

An ultralight 100% 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
Women's Cresta Ultralight 150 Crew Top, Stripe

A lightweight, itch-free 100% merino wool base layer in ocean waves and storm teal, perfect for cold-weather sports.

Pros: Provides good warmth Ideal as long underwear Soft merino wool material
Women's L.L.Bean Heavyweight Base Layer Hoodie

A pinewood green heavyweight base layer hoodie made from recycled polyester, featuring moisture-wicking and anti-microbial properties.
Women's L.L.Bean Midweight Base Layer Crew Top, 1/4 Zip

A versatile midweight base layer with REPREVE® recycled polyester, anti-microbial finish, and thumb holes for comfort.
Women's L.L.Bean Heavyweight Base Layer Crew Top

A heavyweight, moisture-wicking, and quick-drying base layer with anti-microbial finish, made from recycled polyester.
Women's Cresta Ultralight 150 Turtleneck, Stripe

An itch-free 100% merino wool turtleneck that wicks moisture, resists odors, and features thumbhole cuffs.
Women's Cresta Ultralight 150 Hoodie, Stripe

An itch-free 100% merino wool hoodie that wicks moisture, resists odors, and fits comfortably under helmets.
Women's LLB Simple Soft Base Layer Camisole

A lightweight, moisture-wicking black camisole made from 94% polyester and 6% spandex for everyday warmth.
Women's L.L.Bean Midweight Base Layer Crew Top

A versatile midweight base layer in midnight black, made from recycled polyester with anti-odor properties.

Women's Running Base Layer Tops

When it comes to gearing up for your next run, the right base layer top can make all the difference in comfort and performance. Whether you’re heading out for a sunrise jog, logging miles on your favorite trail, or simply enjoying a brisk walk around the neighborhood, a thoughtfully chosen running base layer top helps you stay dry, comfortable and focused, mile after mile. These tops are designed with active women in mind, offering lightweight warmth and dependable breathability that adapts to changing conditions. In the late summer months, when mornings can start off cool and quickly warm up, a quality base layer wicks away moisture and keeps you feeling fresh, so you can enjoy every step without distraction. As the seasons shift and the air takes on a crisp edge, layering becomes even more important—these tops transition seamlessly beneath a light jacket or vest, offering just the right amount of coverage for those in-between days.

Choosing a running base layer is all about finding the right balance between comfort, durability, and versatility. Look for tops crafted from technical fabrics that feel soft against the skin and move with you, stretch after stretch. Flatlock seams help prevent chafing, while thoughtfully placed ventilation zones add extra breathability where you need it most. Some women prefer long sleeves for extra protection on windy mornings, while others opt for short sleeves or sleeveless styles during high-intensity runs or warmer afternoons. These tops aren’t just for solo outings, either—they make a practical and thoughtful gift for anyone who enjoys staying active outdoors, from seasoned runners to beginners just starting their fitness journey. They’re also a great choice for layering during other activities, like hiking, cycling, or even running errands on a busy day. And for those who appreciate the natural performance of wool, there’s a whole world of options to explore—check out our collection of Womens Wool Base Layers for added warmth and classic comfort.

No matter your pace or preferred route, a dependable running base layer top is a staple you’ll reach for again and again. These tops are designed to stand up to repeated wear and washing, holding their shape and softness over time, so you can count on them season after season. Their timeless style pairs easily with your favorite running shorts, tights, or joggers, making them a versatile addition to any wardrobe. Whether you’re out for a quick loop around the block or tackling a longer adventure with friends and family, you’ll appreciate the thoughtful details and lasting value that go into every piece. With the right base layer, you’re free to focus on the simple joys of being outside—breathing in the fresh air, feeling the steady rhythm of your stride, and savoring the sense of accomplishment that comes with every run.