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

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
Why Innerwear is the Original Base Layer - BRANWYN | Performance Innerwear
Gear Guide

Why Innerwear is the Original Base Layer

Your baselayer matters more than you think. Discover how Merino wool innerwear keeps you warm, dry, and safe in cold weather—starting with your underwear.
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. 
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.   
Woman in all black Merino layers, winter boots, and a beanie sitting on a picnic table in a winter mountain landscape.
Gear Guide

Layer for Any Weather Like a Pro

Here’s how to layer like a pro so you can enjoy the great outdoors with confidence all year round.
Ethical Merino Wool: What’s ethical wool and why does it matter? - BRANWYN | Performance Innerwear
Seamless Merino Wool

Ethical Merino Wool: What’s ethical wool and why does it matter?

Read about BRANWYN’S commitment to animal welfare and sustainable farming through our partnership with ZQ Certified Natural Fibers. 
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
3522 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
3425 reviews
Sold out
Woman wearing a light gray sports bra sitting against a neutral background Woman wearing a light gray bikini set on a beige background
Essential Supreme Bra
$76.00 USD
117 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
483 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
1656 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
1035 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
105 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
383 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
223 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
22 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
139 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
66 reviews