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

Woman stretching her arms upward while wearing a white Merino wool bra.
Gear Guide

Why Clothing Is Skincare

Your skin absorbs more than you think—that's why experts recommend choosing your fabric wisely. 
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.
Woman running in the woods while wearing a black racerback sports bra.
Gear Guide

The History (and Future) of Athletic Bras

Let's take a look at the shockingly short and deeply interesting history of athletic bras.
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.
Our Gift Guide for the Wild, Weird, and Wonderful Women in Your Life - BRANWYN | Performance Innerwear
Gear Guide

Our Gift Guide for the Wild, Weird, and Wonderful Women in Your Life

Explore our guide full of naturally sustainable Merino options and pay-it-forward ideas.
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.
Two women wearing black and beige Merino underwear sets against a white background

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

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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
3565 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
3532 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
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
490 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
1682 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
1048 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
116 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
15% Off
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"
$72.25 USD $85.00 USD
229 reviews
15% Off
BRANWYN seamless Merino wool Black 8" compressive shorts Person wearing a black sports bra and shorts on a beige background
Essential Compressive Short 8"
$80.75 USD $95.00 USD
26 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
144 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
67 reviews