• Eco Friendly Womens Alpaca Wool Sports Bra 160 Ultralight color gray

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Low Impact Dyes (GOTS)
    Fabric Finishing: Silicone (OEKO-TEX)
    Elastic: 50% Tree Rubber, 50% Cotton
    Thread:     100% Pima Cotton
    Thread Dye: Reactive Dye
    Label: 100% Royal Alpaca Wool
    Label Ink: Synthetic (GOTS)

    Materials

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Natural Plant-Based
    Fabric Finishing: Silicone (OEKO-TEX)
    Elastic: 50% Tree Rubber, 50% Cotton
    Thread:     100% Pima Cotton
    Thread Dye: Reactive Dye
    Label: 100% Royal Alpaca Wool
    Label Ink: Synthetic (GOTS)

    Materials
  • Ecological Womens Alpaca Wool Sports Bra 160 Ultralight color gray

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Low Impact Dyes (GOTS)
    Fabric Finishing: Silicone (OEKO-TEX)
    Elastic: 50% Tree Rubber, 50% Cotton
    Thread:     100% Pima Cotton
    Thread Dye: Reactive Dye
    Label: 100% Royal Alpaca Wool
    Label Ink: Synthetic (GOTS)

    Materials

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Natural Plant-Based
    Fabric Finishing: Silicone (OEKO-TEX)
    Elastic: 50% Tree Rubber, 50% Cotton
    Thread:     100% Pima Cotton
    Thread Dye: Reactive Dye
    Label: 100% Royal Alpaca Wool
    Label Ink: Synthetic (GOTS)

    Materials
  • Fast Drying Womens Alpaca Wool Sports Bra 160 Ultralight color gray

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Low Impact Dyes (GOTS)
    Fabric Finishing: Silicone (OEKO-TEX)
    Elastic: 50% Tree Rubber, 50% Cotton
    Thread:     100% Pima Cotton
    Thread Dye: Reactive Dye
    Label: 100% Royal Alpaca Wool
    Label Ink: Synthetic (GOTS)

    Materials

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Natural Plant-Based
    Fabric Finishing: Silicone (OEKO-TEX)
    Elastic: 50% Tree Rubber, 50% Cotton
    Thread:     100% Pima Cotton
    Thread Dye: Reactive Dye
    Label: 100% Royal Alpaca Wool
    Label Ink: Synthetic (GOTS)

    Materials
  • Functional Womens Alpaca Wool Sports Bra 160 Ultralight color gray

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Low Impact Dyes (GOTS)
    Fabric Finishing: Silicone (OEKO-TEX)
    Elastic: 50% Tree Rubber, 50% Cotton
    Thread:     100% Pima Cotton
    Thread Dye: Reactive Dye
    Label: 100% Royal Alpaca Wool
    Label Ink: Synthetic (GOTS)

    Materials

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Natural Plant-Based
    Fabric Finishing: Silicone (OEKO-TEX)
    Elastic: 50% Tree Rubber, 50% Cotton
    Thread:     100% Pima Cotton
    Thread Dye: Reactive Dye
    Label: 100% Royal Alpaca Wool
    Label Ink: Synthetic (GOTS)

    Materials
  • High Performance Womens Alpaca Wool Sports Bra 160 Ultralight color gray

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Low Impact Dyes (GOTS)
    Fabric Finishing: Silicone (OEKO-TEX)
    Elastic: 50% Tree Rubber, 50% Cotton
    Thread:     100% Pima Cotton
    Thread Dye: Reactive Dye
    Label: 100% Royal Alpaca Wool
    Label Ink: Synthetic (GOTS)

    Materials

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Natural Plant-Based
    Fabric Finishing: Silicone (OEKO-TEX)
    Elastic: 50% Tree Rubber, 50% Cotton
    Thread:     100% Pima Cotton
    Thread Dye: Reactive Dye
    Label: 100% Royal Alpaca Wool
    Label Ink: Synthetic (GOTS)

    Materials
  • womens bra color gray

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Low Impact Dyes (GOTS)
    Fabric Finishing: Silicone (OEKO-TEX)
    Elastic: 50% Tree Rubber, 50% Cotton
    Thread:     100% Pima Cotton
    Thread Dye: Reactive Dye
    Label: 100% Royal Alpaca Wool
    Label Ink: Synthetic (GOTS)

    Materials

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Natural Plant-Based
    Fabric Finishing: Silicone (OEKO-TEX)
    Elastic: 50% Tree Rubber, 50% Cotton
    Thread:     100% Pima Cotton
    Thread Dye: Reactive Dye
    Label: 100% Royal Alpaca Wool
    Label Ink: Synthetic (GOTS)

    Materials

Fabric: 100% Royal Alpaca Wool
Fabric Dye: Low Impact Dyes (GOTS)
Fabric Finishing: Silicone (OEKO-TEX)
Elastic: 50% Tree Rubber, 50% Cotton
Thread: 100% Pima Cotton
Thread Dye: Reactive Dye
Label: 100% Royal Alpaca Wool
Label Ink: Synthetic (GOTS)

Materials
  • Eco Friendly Womens Alpaca Wool Sports Bra 160 Ultralight color gray

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Low Impact Dyes (GOTS)
    Fabric Finishing: Silicone (OEKO-TEX)
    Elastic: 50% Tree Rubber, 50% Cotton
    Thread:     100% Pima Cotton
    Thread Dye: Reactive Dye
    Label: 100% Royal Alpaca Wool
    Label Ink: Synthetic (GOTS)

    Materials

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Natural Plant-Based
    Fabric Finishing: Silicone (OEKO-TEX)
    Elastic: 50% Tree Rubber, 50% Cotton
    Thread:     100% Pima Cotton
    Thread Dye: Reactive Dye
    Label: 100% Royal Alpaca Wool
    Label Ink: Synthetic (GOTS)

    Materials
  • Ecological Womens Alpaca Wool Sports Bra 160 Ultralight color gray

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Low Impact Dyes (GOTS)
    Fabric Finishing: Silicone (OEKO-TEX)
    Elastic: 50% Tree Rubber, 50% Cotton
    Thread:     100% Pima Cotton
    Thread Dye: Reactive Dye
    Label: 100% Royal Alpaca Wool
    Label Ink: Synthetic (GOTS)

    Materials

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Natural Plant-Based
    Fabric Finishing: Silicone (OEKO-TEX)
    Elastic: 50% Tree Rubber, 50% Cotton
    Thread:     100% Pima Cotton
    Thread Dye: Reactive Dye
    Label: 100% Royal Alpaca Wool
    Label Ink: Synthetic (GOTS)

    Materials
  • Fast Drying Womens Alpaca Wool Sports Bra 160 Ultralight color gray

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Low Impact Dyes (GOTS)
    Fabric Finishing: Silicone (OEKO-TEX)
    Elastic: 50% Tree Rubber, 50% Cotton
    Thread:     100% Pima Cotton
    Thread Dye: Reactive Dye
    Label: 100% Royal Alpaca Wool
    Label Ink: Synthetic (GOTS)

    Materials

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Natural Plant-Based
    Fabric Finishing: Silicone (OEKO-TEX)
    Elastic: 50% Tree Rubber, 50% Cotton
    Thread:     100% Pima Cotton
    Thread Dye: Reactive Dye
    Label: 100% Royal Alpaca Wool
    Label Ink: Synthetic (GOTS)

    Materials
  • Functional Womens Alpaca Wool Sports Bra 160 Ultralight color gray

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Low Impact Dyes (GOTS)
    Fabric Finishing: Silicone (OEKO-TEX)
    Elastic: 50% Tree Rubber, 50% Cotton
    Thread:     100% Pima Cotton
    Thread Dye: Reactive Dye
    Label: 100% Royal Alpaca Wool
    Label Ink: Synthetic (GOTS)

    Materials

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Natural Plant-Based
    Fabric Finishing: Silicone (OEKO-TEX)
    Elastic: 50% Tree Rubber, 50% Cotton
    Thread:     100% Pima Cotton
    Thread Dye: Reactive Dye
    Label: 100% Royal Alpaca Wool
    Label Ink: Synthetic (GOTS)

    Materials
  • High Performance Womens Alpaca Wool Sports Bra 160 Ultralight color gray

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Low Impact Dyes (GOTS)
    Fabric Finishing: Silicone (OEKO-TEX)
    Elastic: 50% Tree Rubber, 50% Cotton
    Thread:     100% Pima Cotton
    Thread Dye: Reactive Dye
    Label: 100% Royal Alpaca Wool
    Label Ink: Synthetic (GOTS)

    Materials

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Natural Plant-Based
    Fabric Finishing: Silicone (OEKO-TEX)
    Elastic: 50% Tree Rubber, 50% Cotton
    Thread:     100% Pima Cotton
    Thread Dye: Reactive Dye
    Label: 100% Royal Alpaca Wool
    Label Ink: Synthetic (GOTS)

    Materials

  • Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Low Impact Dyes (GOTS)
    Fabric Finishing: Silicone (OEKO-TEX)
    Elastic: 50% Tree Rubber, 50% Cotton
    Thread:     100% Pima Cotton
    Thread Dye: Reactive Dye
    Label: 100% Royal Alpaca Wool
    Label Ink: Synthetic (GOTS)

    Materials

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Natural Plant-Based
    Fabric Finishing: Silicone (OEKO-TEX)
    Elastic: 50% Tree Rubber, 50% Cotton
    Thread:     100% Pima Cotton
    Thread Dye: Reactive Dye
    Label: 100% Royal Alpaca Wool
    Label Ink: Synthetic (GOTS)

    Materials

Fabric: 100% Royal Alpaca Wool
Fabric Dye: Low Impact Dyes (GOTS)
Fabric Finishing: Silicone (OEKO-TEX)
Elastic: 50% Tree Rubber, 50% Cotton
Thread: 100% Pima Cotton
Thread Dye: Reactive Dye
Label: 100% Royal Alpaca Wool
Label Ink: Synthetic (GOTS)

Materials

Women's Alpaca Wool Sports Bra

160 Ultralight

Women's Alpaca Wool Sports Bra: 160 Ultralight

$65.00

$65.00 $65.00 USD
0% OFF
Low Impact Dyes:
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Women's Alpaca Wool Sports Bra: 160 Ultralight

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Women's Alpaca Wool Sports Bra: 160 Ultralight

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Product weight (medium): 3 oz / 80 gr

Product shown in size S on model (Ht: 5'5", Chest: 33.8")

Alpaca vs Merino

Alpaca Wool outperforms Merino.

Alpaca fibers evolved in the harsh Peruvian Andes over millennia, to keep you protected on any adventure.

Unique Semi-Hollow Fibers:
• Lighter Weight
• Higher Insulation

Smoothest Fiber Scales:
• Moisture Wicking
• Softer without Felting

Free Shipping for US orders over $200 that are purchased from our US warehouse.*

View full details

LESS WEIGHT, LESS WASHING

Essential Racerback Sports Bra

Breathable and ultra-comfortable 100% Alpaca Wool Sports Bra feels soft next to your skin while giving you low to medium support for flexible movement. Our lightweight wool bra naturally regulates your body temperature, repels moisture and resists odor. Wherever your adventure take you, stay comfy with our lightweight wool bra. 

  • 160g/m2 of 100% Royal Alpaca Wool
  • PFAS-free
  • Sports Bra Weight: 67 g (Size S)
  • Fitted cut with a natural stretch
  • Internal band provides low to medium support
  • Wide open racerback with low cut armholes
  • Pairs well with our Wool Panties
  • Fabric Care
womens-sweat-wicking-sports-bra-ultralight-product
womens antiodor sports bra ultralight color gray

NATURAL HIGH-PERFORMANCE

Soft & Comfortable Wool Bra

For thousands of years, alpacas have been adapting to extreme environments of the Andes Mountains, where temperatures range widely. The harsh highland conditions created the ultimate outdoor fiber, designed to keep you protected, clean, and comfortable.

  • Perfect Temperature
    Semi-hollow fibers act as an internal A/C, balancing your body temperature in extreme climates.
  • Always Dry
    High moisture-wicking fibers keep your body and clothes dry and sweat-free all day.
  • Clean & Fresh
    Naturally anti-bacterial & odor resistant keratin fibers ensure your hygiene.

Alpaca Wool is lightweight and does not require frequent laundering, letting you explore lighter.

  • Light & Durable
    Semi-hollow core fibers insulate and make the fabric lighter and resistant.
  • Wear More, Wash Less
    Alpaca dries quickly and absorbs minimal moisture, preventing bacterial growth.
  • Smooth Fiber Scales
    The scales of alpaca fibers are smoother than those of sheep wool. They help wick moisture away, while also having incredibly low moisture absorption. 
  • 18 to 19 Microns* Alpaca Wool
    The finest Alpaca Wool with naturally smooth fiber scales minimize felting and ensure luxurious softness on your skin without itching.

*Microns define the diameter of the fiber.

LEARN MORE ABOUT ALPACA PERFORMANCE

alpaca wool long sleeve t-shirt for men in gray color

ALPACA WOOL: FIBER OF THE GODS

The Superior Fiber for the Outdoors

Alpaca wool is a superior choice for the outdoors and outperforms any other fiber: merino wool, cotton, rayon and polyester.

THE COMPARISON: ALPACA VS OTHER FIBERS 

Comparison graph alpaca wool vs merino vs polyester vs rayon vs cotton

THE COMPARISON: ALPACA VS OTHER FIBERS

LOW ENVIRONMENTAL IMPACT

All-Natural Undewear

When wearing 100% Alpaca Wool, you can rest assured that your clothes are not contaminating nature.

  • 100% Alpaca Wool Fabric
  • 100% Cotton Threads
  • 100% Organic Cotton Labels
  • 100% Natural Dyes or OEKO-TEX Certified Dyes
  • OEKO-TEX Certified Silicone Fabric Finishing
  • GOTS Certified Ink (for the labels)

We created 100% plastic-free and biodegradable shirts so that you can wear your clothes knowing that you are not releasing any microplastics.

Microplastics are not only found in the environment but also in our bloodstream.

Our naturally dyed shirts contain zero synthetic dyes and we are looking for a natural replacement for the silicone fabric finishing.
 
Our wool is never Superwashed since alpaca fibers are naturally smooth.

Alpacas roam freely in their natural habitat in the highlands of Peru. Their farmers never harm or kill them for their wool. Alpacas create small footprints that do not damage the fields they graze on. When they eat, they cut the grass, promoting regrowth.

DISCOVER OUR SUSTAINABILITY

womens best fabric sports bra
Free shipping and returns

Free U.S. Shipping
& Returns →

Compostable packaging

Compostable
Packaging

F.A.Q.

Frequently Asked
Questions →

Single-origin supply chain from Peru

SINGLE ORIGIN SUPPLY CHAIN

Where Was This Sports Bra Made?

We use natural local resources and a short transparent supply chain. Our mission is to teach you as much as possible about how clothes should be made. Together we can move the fashion industry towards a sustainable future.

Contrary to industry norms, every step involved in making our clothes is done in only one country: Peru, the home of our family. Our production in Peru includes fiber sourcing, yarn spinning, fabric knitting, dyeing, finishing, and garment sewing.

From Peru, our clothes go straight to California or Europe on its journey to you.

Manufacturing in one country allows us to greatly reduce our carbon footprint and freight shipping. This is a major step on our journey to becoming a carbon negative company.

We avoid industrial farming by working with co-op farmers in the Andes. Doing everything in Peru guarantees we know how the alpacas and the workers involved are being treated.

Single-origin supply chain from Peru

LEARN MORE ABOUT OUR SUPPLY CHAIN

Complete Your Hiking Pack

Women's Alpaca Wool Panties

Women's Alpaca Wool Panties

160 Ultralight

from $40

Women's Alpaca Wool Base Layer

Women's Alpaca Wool Base Layer

300 Lightweight Half-Zip

from $40

Women's Alpaca Wool Joggers

Women's Alpaca Wool Joggers

300 Lightweight

from $130

SHOP ALL WOMEN'S
ALPACA WOOL CLOTHING

Women's Alpaca Wool PantiesWomen's Alpaca Wool Panties

Women's Alpaca Wool Panties

160 Ultralight

from $40

Women's Alpaca Wool Base LayerWomen's Alpaca Wool Base Layer

Women's Alpaca Wool Base Layer

300 Lightweight Half-Zip

from $135

Women's Alpaca Wool JoggersWomen's Alpaca Wool Joggers

Women's Alpaca Wool Joggers

300 Lightweight

from $130

Customer Reviews

Based on 6 reviews
83%
(5)
17%
(1)
0%
(0)
0%
(0)
0%
(0)
L
Lindsey
Comfy!

Love these!

HI Lindsey
Thank you so much for your feedback! We're delighted to hear that you love the bra and find it comfortable. Your support means a lot to us!

L
Lindsey Duke
Supportive and comfy!

Love this bra! Soft and supportive!

Hi Lindsey
Thank you so much for your feedback! We're glad to hear you love the bra and that it's both soft and supportive, that means a lot to us!

L
Lynn Kehoe
comfortable

I already own two of these bras. I wear them for days on end sweating on the trail and at home. They don't need to be laundered frequently and are very comfortable no matter what the temperature. I won't buy any other bra in the future.

Hi Lynn,

Thank you for your review! We knew you’d love these bras—they're designed exactly for that kind of all-day comfort and performance. Whether you're sweating on the trail or just going about your day, they stay fresh and feel great. Sounds like they've found a permanent place in your wardrobe, and we’re not surprised! Enjoy many more adventures ahead!

S
SVM
Soft like butter

I barely notice I'm wearing this, it's so soft and light. Reasonable pricing too! I'm a 32 B and got size small, fits just right.

K
Karen Waldon
high back bra

Slightly disappointed with how high the back strap is on this bra--it's nearly above the base of the neck! Maybe you need to offer an extra large size. I do have a longer torso, so the bra barely makes it height wise. Loved the navy blue and the fabric is great.

12