Woman in BRANWYN ZQ ethical Merino wool bra and underwear running outside
Woman in BRANWYN ZQ ethical Merino wool bra and underwear

BLOG | IN THE WILD

WHEN DO YOU FEEL MOST POWERFUL? #BRANWYNInTheWild

Close up of woman's torso posing outdoors on a beach in brown Merino wool underwear.
Health and Wellness

Let’s Talk Vaginas: Your Questions, Answered

In part II of our no-such-thing-as-TMI series, we tackle more questions about what's good under the hood.
Caroline Paul in a helmet and orange suit, surfing a big wave in the ocean.
Adventure

Why Outdoor Adventure is So Important for Women as We Age

In Tough Broad, Caroline Paul discovers that stepping outside might be the very best thing we can do for ourselves as we age.
Woman similing , looking over her shoulder and wearing a brown seamless bra.
Seamless Merino Wool

The Next-Level Benefits of Seamless Merino Wool

What is seamless Merino wool, and why does it feel so dang good? 
Can We Talk About Menopause?
Health and Wellness

Can We Talk About Menopause?

Menopause is a natural part of life that every woman goes through—so why is it often shrouded in silence and mystery?
What’s Up With Boob Sweat? (And Why It’s Kind of Awesome) - BRANWYN | Performance Innerwear
Health and Wellness

What’s Up With Boob Sweat? (And Why It’s Kind of Awesome)

Women have 2 to 5 million sweat glands. Here's why the ones on our chest are especially fantastic.
Two woman standing outdoors in the sun in matching natural fiber Merino white bra tops and black shorts.
Seamless Merino Wool

How to Make the Switch to Natural Fibers

Transitioning to natural fibers isn't just good for the planet, it's better for your body , too. Here's how to make the switch
Olympic track runners racing in varied olympic uniforms.
Gear Guide

From Ankle-Length to High-Cut: The Transformation of Women’s Olympic Uniforms

The history and future of women's Olympic uniforms.
A group of woman standing beside the trail watching a mountain mountain bike over rocky terrain,
Adventure

The Beginner’s Guide to Mountain Biking

Founder of Ladies AllRide and overall badass, Lindsey Richter gives the dirt on how to start shredding.
5 Lessons From the Trail - BRANWYN | Performance Innerwear
Adventure

5 Lessons From the Trail

Explore hard-won wisdom from women who have blazed their own trails (literally). 
Two women wearing black and beige Merino underwear sets against a white background

Join Us & Get 15% Off Your Next Order

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

Plus, you’ll get a 15% gift code for our naturally sustainable Merino wool products.

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

Our Merino Collections
BRANWYN's seamless Merino wool Bralette bra in Black. Natural fiber, plastic free activewear. Close up of woman wearing black Merino bralette and raising arms over her head.
Essential Bralette
$52.00 USD
3669 reviews
A woman wearing a brown Merino wool bra and underwear against a plain background Woman wearing a brown seamless Merino wool bra against a neutral background.
Essential Busty Bra
$62.00 USD
3709 reviews
Woman wearing a light gray padded bralette sitting against a neutral background Woman wearing a light gray Merino wool padded bralette set on a beige background.
Essential Supreme Bra
$76.00 USD
406 reviews
Front view of black Essential Racerback Sports Bra by BRANWYN. Merino Wool compressive bra wicks sweat and keeps you dry through hikes, skis and workouts. Close-up detail of racerback design on BRANWYN Racerback Sports Bra in black. Seamless Merino wool provides compressive, breathable support.
Essential Racerback Sports Bra
$85.00 USD
503 reviews
Side view of woman wearing grey high waisted Merino underwear by BRANWYN. The Essential Hipster high waisted moisture wicking underwear. Woman wearing BRANWYN's Essential Hipster: light grey high waisted Merino Wool Underwear and matching Merino Wool bra.
Essential Hipster
$40.00 USD
1763 reviews
Side view of BRANWYN Essential Bikini Merino underwear in warm nude. Soft, breathable, and odor resistant, sustainable underwear. Warm nude Merino wool panties in a bikini cut by BRANWYN. Made from natural fiber Merino wool to provide a sustainable solution for eco-conscious women.
Essential Bikini
$38.00 USD
1073 reviews
Side profile of woman wearing BRANWYN Essential Boyshort seamless Merino Underwear for women in black. Back view of woman in black bralette and matching black Merino wool boyshort underwear for women. Made of quick-drying natural fibers that are gynecologist recommended.
Essential Boyshort
$42.00 USD
136 reviews
Side view of BRANWYN seamless thong underwear in light nude. Eco-friendly underwear made for travel, activity and everyday. Back view of BRANWYN Essential Thong in light nude. Seamless Merino wool thong underwear for women.
Essential Thong
$36.00 USD
385 reviews
Models wears BRANWYN's seamless compressive shorts, a black Merino wool bike short with a 6 inch inseam. Photo of backside of woman wearing black Merino shorts and a green Merino bra. Women's wool compression shorts with a 6" inseam.
Essential Compressive Short 6"
$85.00 USD
255 reviews
BRANWYN seamless Merino wool Black 8" compressive shorts Person wearing a black sports bra and shorts on a beige background
Essential Compressive Short 8"
$95.00 USD
34 reviews
Woman standing with hands on her hips in black compression Merino leggings BRANWYN. Back view of woman wearing black BRANWYN Merino leggings, winter leggings made from breathable Merino wool for hiking and skiing.
Essential Compressive Legging 28"
$158.00 USD
152 reviews
Woman wearing black Merino compression leggings by BRANWYN made of Merino wool. Perfect yoga legging capris or for a winter baselayer. Two women holding arms wearing black, seamless Merino wool legging pants—perfect for yoga capris or a winter baselayer.
Essential Compressive Legging 25"
$148.00 USD
68 reviews