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

Wear Merino to Beat the Summer Heat - BRANWYN | Performance Innerwear
Seamless Merino Wool

Wear Merino to Beat the Summer Heat

This might sound a bit off the wall, but naturally sustainable Merino wool is perfect for hot weather. Merino Innerwear keeps you dry, fresh, confident, and all sorts of cool. 
Women doing a cold plunge while swimming in a river in the mountains/
Health and Wellness

5 Proven Benefits of Cold Plunges — And How to Start Your Ice Bath Journey

Cold plunging has proven, science-backed benefits. It may seem intimidating, but we have tips to help you get started.
Why Merino is a Surprisingly Awesome Choice for Swimwear - BRANWYN | Performance Innerwear
Adventure

Why Merino is a Surprisingly Awesome Choice for Swimwear

Merino is breathable, comfortable and quick-dry, giving us more freedom to do the things we love like surf, swim and track down hidden waterfalls.
Merino wool hanging in outdoor shower to dry beside a green hat.
Travel

6 Reasons Why Merino Wool Underwear is Great for Travel

Naturally sustainable Merino underwear can help you travel light, stay comfortable, and fret less about whether or not you have a fresh pair at the ready.
Gynecologist-Approved Underwear Rules to Live By  - BRANWYN | Performance Innerwear
Health and Wellness

Gynecologist-Approved Underwear Rules to Live By 

Why what you wear down there can affect your health.   
My Mother, the Hero - BRANWYN | Performance Innerwear
Adventure

My Mother, the Hero

Ask free-ride snowboarder Alenka Mali where she gets her fearlessness and you’ll get one answer: her alpinist mom.
Woman running in a white Merino bra and black leggings against a city landscape.
Sports

6 Reasons to Try Running for Your Mental Health

Sasha Wolff from Still I Run shares her personal story with depression and anxiety—and how running changed her life.
Empowering Women Can Help Stop Global Warming - BRANWYN | Performance Innerwear
Sustainable Living

Empowering Women Can Help Stop Global Warming

Supporting our sisters can make all the difference in healing Mother Earth. 
How and Why We Built BRANWYN - BRANWYN | Performance Innerwear
Our Story

How and Why We Built BRANWYN

BRANWYN was founded on a radical idea: that women could create better underwear for themselves. 
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