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

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Woman meditating on a dock beside the ocean in a black Merino wool swimsuit, practicing body awareness and listening to her body's signals.
Health and Wellness

The Lost Art of Listening to Your Body

Strengthen your interoception and learn to recognize the signals your body is sending every day.
Woman paddling on a surfboard in the ocean wearing a Merino bikini.
Outdoor Adventure

Why Merino Wool Is Amazing for Water Sports

The science behind why Merino wool performs in water sports and stays comfortable from first splash to dry-off. 
Two woman smiling on a warm day wearing activewear and rolling up yoga mats in the grass.
Adventure

Your Summer Fun List

Discover 25 big and small things to do to embrace the slow, sunny season. 
Woman in white sustainable Merino wool sitting in field petting a Merino sheep.
Seamless Merino Wool

Why We Choose Regenerative ZQ+ Wool

ZQ+ Merino wool traces every fiber back to regenerative farms, delivering softer, stronger, non-toxic Performance Innerwear that’s better for your body and the planet.
Your Vagina Questions, Answered by an OB-GYN
Health and Wellness

Your Vagina Questions, Answered by an OB-GYN

An OB-GYN answers your most common questions about vaginal health, from workouts and friction to fabrics and microbiome balance.
Women stretching in a Merino wool bra, displaying anatomy of a bra.
Seamless Merino Wool

The Anatomy of a Bra

Band, cups, straps, material. Let’s take a look at what actually matters (and why).
The Beginner’s Guide to Birdwatching
Adventure

The Beginner’s Guide to Birdwatching

Can a flash of feathers soothe the soul? Three birders share how they fell in love with the pastime and how you can get started, too.   
The Rise of Natural Fibers
Health and Wellness

The Rise of Natural Fibers

Natural fibers are trending. Here’s why that shift is here to stay.
Watch for Wool at the Winter Olympics
Gear Guide

Watch for Wool at the Winter Olympics

Designed by nature for the cold, wool delivers breathable warmth, sweat management, and reliable comfort when winter athletes need it most.
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. Person wearing black athletic pants and sports bra, standing on one leg with arms raised.
Essential Bralette
$52.00 USD
3356 reviews
Woman wearing a brown sports bra and leggings against a plain background Woman wearing a brown seamless Merino wool sports bra against a neutral background.
Essential Busty Bra
$62.00 USD
3165 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
$78.00 USD
115 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 Sports Bra in black. Seamless Merino wool provides compressive, breathable support.
Essential Racerback Sports Bra
$85.00 USD
477 reviews
Side view of woman wearing grey high waisted Merino underwear by BRANWYN. The Essential Hipster high waisted comfortable women's panties. Woman wearing BRANWYN's Essential Hipster: light grey high waisted Merino Wool Underwear and matching Merino Wool bra.
Essential Hipster
$40.00 USD
1562 reviews
Side view of BRANWYN Essential Bikini Merino underwear in warm nude. Soft, breathable, and odor resistant, sustainable underwear. Warm nude Merino bikini panties by BRANWYN. Made from regenerative Merino wool to provide a sustainable solution for eco-conscious women.
Essential Bikini
$38.00 USD
996 reviews
Side profile of woman wearing BRANWYN Essential Boyshort seamless Merino Underwear in black. Back view of woman in black bralette and matching black Merino wool boyshort underwear. Made of quick-drying natural fibers that are gynecologist recommended.
Essential Boyshort
$42.00 USD
82 reviews
Side view of BRANWYN seamless Essential 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. Great for hiking, yoga, and the gym. Wearing BRANWYN's Merino sustainable Essential Compressive Short from the back. Merino wool biker short from BRANWYN.
Essential Compressive Short 6"
$85.00 USD
205 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
16 reviews
Woman standing with hands on her hips in black compression leggings made of Merino Wool by BRANWYN. Back view of a woman in black Merino leggings for women. These Merino tights are warm enough to wear as a winter baselayer for skiing and hiking.
Essential Compressive Legging 28"
$158.00 USD
136 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
59 reviews

MONEY BACK GUARANTEE FOR 14 DAYS

Not sure about wool?

Merino wool is super soft like cashmere!

We know you'll love it! But just in case you don't, we offer a First Try Guarantee.*