Women wearing seamless Performance Innerwear made from ZQ-certified Merino wool, including bras and underwear. Naturally sustainable, and made for everyday comfort and adventure. BPA, PFAS, and forever chemical-free.

Essentials Collection

Our Merino Performance Innerwear Essentials are the most comfortable active bras and underwear you will ever own.

Crafted using Santoni seamless machines from ethical ZQ, super-fine 17.5 micron Merino, it breathes, moves with you, and keeps you cool, dry, and fresh no matter how hot and sweaty things get.
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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.
Essential Compressive Shorts
$85.00 USD
No reviews
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
$58.00 USD
1877 reviews
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
$48.00 USD
2446 reviews
Woman wearing BRANWYN's Essential Hipster, 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 Hipster: light grey Merino Wool Underwear and matching Merino Wool bra.
Essential Hipster
$38.00 USD
1075 reviews
Woman wearing BRANWYN's Essential Thong, a Merino wool thong 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 Merino Wool Thong, 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 Thong
$30.00 USD
295 reviews
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
$36.00 USD
766 reviews
Image shows a woman wearing BRANWYN's Compressive Leggings, a compression leggings designed for movement and high-performance comfort. These compressive, body-sculpting leggings offer a second-skin feel with the natural breathability and sustainability of Merino wool. Made from a POWRspun blend of 76% extra fine Merino, 14% nylon, and 10% elastane, they provide warmth, support, and flexibility for everything from chilly morning runs to everyday wear. Featuring a full-length 28” inseam for added coverage, th Image shows a woman wearing BRANWYN's Compressive Leggings, a compression leggings designed for movement and high-performance comfort. These compressive, body-sculpting leggings offer a second-skin feel with the natural breathability and sustainability of Merino wool. Made from a POWRspun blend of 76% extra fine Merino, 14% nylon, and 10% elastane, they provide warmth, support, and flexibility for everything from chilly morning runs to everyday wear. Featuring a full-length 28” inseam for added coverage, th
Essential Compressive Leggings
$158.00 USD
12 reviews
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
$75.00 USD
266 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.