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

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Ethical Merino Wool: What’s ethical wool and why does it matter? - BRANWYN | Performance Innerwear
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. 
What is Merino Wool, Exactly? - BRANWYN | Performance Innerwear
Merino Wool

What is Merino Wool, Exactly?

Think you know Merino? Learn all about this amazing wool — and why it’s the very best fabric for women who love to get sweaty.

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Our Merino Collections
15% Off
Models wears BRANWYN's compressive shorts, a black Merino Wool bike short with a 6 inch inseam. Wearing BRANWYN's Merino sustainable Essential Compressive Short from the back. Merino wool biker short from BRANWYN.
Essential Compressive Shorts
$72.25 USD $85.00 USD
51 reviews
15% Off
Image shows a woman wearing BRANWYN's Compressive Racerback Sports Bra, a compression sports bra designed for high-impact adventures, running and the gym. This compressive, body-hugging sports bra features an updated racerback and shoulder strap design for a more inclusive fit, ensuring maximum comfort and freedom of movement. Image shows a woman wearing BRANWYN's Compressive Racerback Sports Bra, a compression sports bra designed for high-impact adventures. This compressive, body-hugging sports bra features an updated racerback and shoulder strap design for a more inclusive fit, ensuring maximum comfort and freedom of movement. Made from a heavy-weight 4-way Merino knit with a POWRspun blend of 76% extra fine Merino, 14% nylon, and 10% elastane, it provides breathable, sustainable support. BPA, PFAS, and forever-chemical free, t
Essential Racerback Sports Bra
$72.25 USD $85.00 USD
333 reviews
15% Off
Woman wearing BRANWYN's Essential Bralette, a bra from the Essential Collection. Made from soft, moisture-wicking Merino wool using seamless technology, this performance innerwear provides performance, comfort, and sustainability. The fabric is free from BPA, PFAS, and forever chemicals. Woman wearing BRANWYN's Essential Bralette, a bra from the Essential Collection. Made from soft, moisture-wicking Merino wool using seamless technology, this performance innerwear provides performance, comfort, and sustainability. The fabric is free from BPA, PFAS, and forever chemicals.
Essential Bralette
$44.20 USD $52.00 USD
2622 reviews
15% Off
Woman wearing BRANWYN's Essential Busty Bra, a bra from the Essential Collection. Made from soft, moisture-wicking Merino wool using seamless technology, this performance innerwear provides performance, comfort, and sustainability. The fabric is free from BPA, PFAS, and forever chemicals. Woman wearing BRANWYN's Essential Busty Bra, a bra from the Essential Collection. Made from soft, moisture-wicking Merino wool using seamless technology, this performance innerwear provides performance, comfort, and sustainability. The fabric is free from BPA, PFAS, and forever chemicals.
Essential Busty Bra
$52.70 USD $62.00 USD
2051 reviews
15% Off
Woman wearing BRANWYN's Essential Hipster, a high waisted merino wool underwear from the Essential Collection. Made from soft, moisture-wicking Merino wool using seamless technology, this performance innerwear provides performance, comfort, and sustainability. The fabric is free from BPA, PFAS, and forever chemicals. Woman wearing BRANWYN's Essential Hipster: light grey high waisted Merino Wool Underwear and matching Merino Wool bra.
Essential Hipster
$34.00 USD $40.00 USD
1192 reviews
15% Off
Woman wearing BRANWYN's Essential Bikini, a underwear from the Essential Collection. Made from soft, moisture-wicking Merino wool using seamless technology, this performance innerwear provides performance, comfort, and sustainability. The fabric is free from BPA, PFAS, and forever chemicals. Woman wearing BRANWYN's Essential Bikini, a underwear from the Essential Collection. Made from soft, moisture-wicking Merino wool using seamless technology, this performance innerwear provides performance, comfort, and sustainability. The fabric is free from BPA, PFAS, and forever chemicals.
Essential Bikini
$32.30 USD $38.00 USD
820 reviews

MONEY BACK GUARANTEE FOR 14 DAYS

Not sure about wool?

Merino is super soft like cashmere!

We know you'll love it! But just in case you don't, we’ll give you a full refund.