Women wearing seamless Performance Innerwear made from ZQ-certified Merino wool, including bras and underwear. Naturally sustainable, and made for everyday comfort and adventure. Plastic free natural fibers.

Essentials Collection

Our seamless Merino wool Essentials are made to move with you, from everyday life to your biggest adventures.

Crafted from super-fine 17.5-micron ZQ+ Merino wool, they’re breathable, temperature-regulating, and naturally odor-resistant to help keep you comfortable, dry, and fresh wherever the day takes you.
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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
$44.20 USD $52.00 USD
3692 reviews
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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
$52.70 USD $62.00 USD
3742 reviews
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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
$64.60 USD $76.00 USD
455 reviews
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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
$72.25 USD $85.00 USD
505 reviews
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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
$34.00 USD $40.00 USD
1777 reviews
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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
$32.30 USD $38.00 USD
1085 reviews
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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
$35.70 USD $42.00 USD
140 reviews
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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
$30.60 USD $36.00 USD
385 reviews
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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
262 reviews
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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
34 reviews
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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"
$134.30 USD $158.00 USD
159 reviews
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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"
$125.80 USD $148.00 USD
68 reviews