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It’s Official: Your Innerwear Is BPA- and PFAS-Free - BRANWYN | Performance Innerwear
Health and Wellness

It’s Official: Your Innerwear Is (Still) BPA- and PFAS-Free

We couldn't be prouder to be forever chemical-free.
Summer Camp Isn’t Just for Kids - BRANWYN | Performance Innerwear
Ambassadors

Summer Camp Isn’t Just for Kids

Why women are heading back to camp—and how these grown-up adventures help you reconnect, recharge, and rediscover your joy.
What Makes Wool an Active Fiber? - BRANWYN | Performance Innerwear
Gear Guide

What Makes Wool an Active Fiber?

Merino wool is one of the only fibers designed by nature to adaptively respond to our bodies in motion. Here’s exactly what that means.
The Woman’s Guide to Discharge - BRANWYN | Performance Innerwear
Health and Wellness

The Woman’s Guide to Discharge

What’s normal, what’s not—and why releasing liquids is just part of being human.   
How to Bond With Your Dog in the Great Outdoors - BRANWYN | Performance Innerwear
Hiking

How to Bond With Your Dog in the Great Outdoors

Looking to hike with your dog? Here are tips and tricks for unforgettable adventures with your four-legged friend.
What We Talk About When We Talk About Biodiversity - BRANWYN | Performance Innerwear
Sustainable Living

What We Talk About When We Talk About Biodiversity

From oak trees to city gardens, biodiversity shapes our lives—and our future.  
The Complete Guide to Solo Travel For Women - BRANWYN | Performance Innerwear
Empowerment

The Complete Guide to Solo Travel For Women

Insight, inspiration, and packing tips from solo female travelers who’ve been around the world and back.  
Behind the Seams: How a Sustainable Compression Legging Comes to Life - BRANWYN | Performance Innerwear
Gear Guide

Behind the Seams: How a Sustainable Compression Legging Comes to Life

From concept to creation, our latest blog takes you behind the seams of our Compressive Merino Leggings—revealing the thoughtful design, rigorous testing, and innovative craftsmanship that brought ...
Always Cold? Warm Up the Natural Way With Merino Wool - BRANWYN | Performance Innerwear
Gear Guide

Always Cold? Warm Up the Natural Way With Merino Wool

Did you know women run colder? Here's why — and how Merino wool can help. 

Join us & get $10 to spend

Join our community and get tips on living an active, healthy & sustainable lifestyle.

Plus you'll get a $10 Gift Code for our naturally sustainable Merino products.

We won't spam you. We hate that stuff.

Our Merino Collections
Models wears BRANWYN's compressive shorts, a black Merino Wool bike short with a 6 inch inseam. Wearing BRANWYN's Merino sustainable Essential Compressive Short from the back. Merino wool biker short from BRANWYN.
Essential Compressive Shorts
$85.00 USD
30 reviews
Image shows a woman wearing BRANWYN's Compressive Racerback Sports Bra, a compression sports bra designed for high-impact adventures, running and the gym. This compressive, body-hugging sports bra features an updated racerback and shoulder strap design for a more inclusive fit, ensuring maximum comfort and freedom of movement. Image shows a woman wearing BRANWYN's Compressive Racerback Sports Bra, a compression sports bra designed for high-impact adventures. This compressive, body-hugging sports bra features an updated racerback and shoulder strap design for a more inclusive fit, ensuring maximum comfort and freedom of movement. Made from a heavy-weight 4-way Merino knit with a POWRspun blend of 76% extra fine Merino, 14% nylon, and 10% elastane, it provides breathable, sustainable support. BPA, PFAS, and forever-chemical free, t
Essential Racerback Sports Bra
$75.00 USD
305 reviews
Woman wearing BRANWYN's Essential Bralette, a bra from the Essential Collection. Made from soft, moisture-wicking Merino wool using seamless technology, this performance innerwear provides performance, comfort, and sustainability. The fabric is free from BPA, PFAS, and forever chemicals. Woman wearing BRANWYN's Essential Bralette, a bra from the Essential Collection. Made from soft, moisture-wicking Merino wool using seamless technology, this performance innerwear provides performance, comfort, and sustainability. The fabric is free from BPA, PFAS, and forever chemicals.
Essential Bralette
$48.00 USD
2556 reviews
Woman wearing BRANWYN's Essential Busty Bra, a bra from the Essential Collection. Made from soft, moisture-wicking Merino wool using seamless technology, this performance innerwear provides performance, comfort, and sustainability. The fabric is free from BPA, PFAS, and forever chemicals. Woman wearing BRANWYN's Essential Busty Bra, a bra from the Essential Collection. Made from soft, moisture-wicking Merino wool using seamless technology, this performance innerwear provides performance, comfort, and sustainability. The fabric is free from BPA, PFAS, and forever chemicals.
Essential Busty Bra
$58.00 USD
1982 reviews
Woman wearing BRANWYN's Essential Hipster, a high waisted merino wool underwear from the Essential Collection. Made from soft, moisture-wicking Merino wool using seamless technology, this performance innerwear provides performance, comfort, and sustainability. The fabric is free from BPA, PFAS, and forever chemicals. Woman wearing BRANWYN's Essential Hipster: light grey high waisted Merino Wool Underwear and matching Merino Wool bra.
Essential Hipster
$38.00 USD
1155 reviews
Woman wearing BRANWYN's Essential Bikini, a underwear from the Essential Collection. Made from soft, moisture-wicking Merino wool using seamless technology, this performance innerwear provides performance, comfort, and sustainability. The fabric is free from BPA, PFAS, and forever chemicals. Woman wearing BRANWYN's Essential Bikini, a underwear from the Essential Collection. Made from soft, moisture-wicking Merino wool using seamless technology, this performance innerwear provides performance, comfort, and sustainability. The fabric is free from BPA, PFAS, and forever chemicals.
Essential Bikini
$36.00 USD
801 reviews

MONEY BACK GUARANTEE FOR 14 DAYS

Not sure about wool?

Merino is super soft like cashmere!

We know you'll love it! But just in case you don't, we’ll give you a full refund.