• womens antibacterial thong color navy blue

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Low Impact Dyes (GOTS)
    Fabric Finishing: Silicone (OEKO-TEX)
    Thread Dye: Reactive Dye
    Label: 100% Organic Cotton
    Label Ink: Synthetic (GOTS)

    Materials

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Natural Plant-Based
    Fabric Finishing: Silicone (OEKO-TEX)
    Thread Dye: Natural
    Label: 100% Organic Cotton
    Label Ink: Synthetic (GOTS)

    Materials
  • womens eco friendly thong color navy blue

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Low Impact Dyes (GOTS)
    Fabric Finishing: Silicone (OEKO-TEX)
    Thread Dye: Reactive Dye
    Label: 100% Organic Cotton
    Label Ink: Synthetic (GOTS)

    Materials

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Natural Plant-Based
    Fabric Finishing: Silicone (OEKO-TEX)
    Thread Dye: Natural
    Label: 100% Organic Cotton
    Label Ink: Synthetic (GOTS)

    Materials
  • womens functional thong color navy blue

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Low Impact Dyes (GOTS)
    Fabric Finishing: Silicone (OEKO-TEX)
    Thread Dye: Reactive Dye
    Label: 100% Organic Cotton
    Label Ink: Synthetic (GOTS)

    Materials

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Natural Plant-Based
    Fabric Finishing: Silicone (OEKO-TEX)
    Thread Dye: Natural
    Label: 100% Organic Cotton
    Label Ink: Synthetic (GOTS)

    Materials
  • womens natural thong color navy blue

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Low Impact Dyes (GOTS)
    Fabric Finishing: Silicone (OEKO-TEX)
    Thread Dye: Reactive Dye
    Label: 100% Organic Cotton
    Label Ink: Synthetic (GOTS)

    Materials

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Natural Plant-Based
    Fabric Finishing: Silicone (OEKO-TEX)
    Thread Dye: Natural
    Label: 100% Organic Cotton
    Label Ink: Synthetic (GOTS)

    Materials

Fabric: 100% Royal Alpaca Wool
Fabric Dye: Low Impact Dyes (GOTS)
Fabric Finishing: Silicone (OEKO-TEX)
Thread Dye: Reactive Dye
Label: 100% Organic Cotton
Label Ink: Synthetic (GOTS)

Materials
  • womens antibacterial thong color navy blue

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Low Impact Dyes (GOTS)
    Fabric Finishing: Silicone (OEKO-TEX)
    Thread Dye: Reactive Dye
    Label: 100% Organic Cotton
    Label Ink: Synthetic (GOTS)

    Materials

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Natural Plant-Based
    Fabric Finishing: Silicone (OEKO-TEX)
    Thread Dye: Natural
    Label: 100% Organic Cotton
    Label Ink: Synthetic (GOTS)

    Materials
  • womens eco friendly thong color navy blue

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Low Impact Dyes (GOTS)
    Fabric Finishing: Silicone (OEKO-TEX)
    Thread Dye: Reactive Dye
    Label: 100% Organic Cotton
    Label Ink: Synthetic (GOTS)

    Materials

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Natural Plant-Based
    Fabric Finishing: Silicone (OEKO-TEX)
    Thread Dye: Natural
    Label: 100% Organic Cotton
    Label Ink: Synthetic (GOTS)

    Materials
  • womens functional thong color navy blue

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Low Impact Dyes (GOTS)
    Fabric Finishing: Silicone (OEKO-TEX)
    Thread Dye: Reactive Dye
    Label: 100% Organic Cotton
    Label Ink: Synthetic (GOTS)

    Materials

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Natural Plant-Based
    Fabric Finishing: Silicone (OEKO-TEX)
    Thread Dye: Natural
    Label: 100% Organic Cotton
    Label Ink: Synthetic (GOTS)

    Materials
  • womens natural thong color navy blue

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Low Impact Dyes (GOTS)
    Fabric Finishing: Silicone (OEKO-TEX)
    Thread Dye: Reactive Dye
    Label: 100% Organic Cotton
    Label Ink: Synthetic (GOTS)

    Materials

    Fabric: 100% Royal Alpaca Wool
    Fabric Dye: Natural Plant-Based
    Fabric Finishing: Silicone (OEKO-TEX)
    Thread Dye: Natural
    Label: 100% Organic Cotton
    Label Ink: Synthetic (GOTS)

    Materials

Fabric: 100% Royal Alpaca Wool
Fabric Dye: Low Impact Dyes (GOTS)
Fabric Finishing: Silicone (OEKO-TEX)
Thread Dye: Reactive Dye
Label: 100% Organic Cotton
Label Ink: Synthetic (GOTS)

Materials

Women's Alpaca Wool Thong

160 Ultralight

Women's Alpaca Wool Thong: 160 Ultralight

$25.00

$25.00 $25.00 USD
0% OFF
Low Impact Dyes: Why Natural?
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Women's Alpaca Wool Thong: 160 Ultralight

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Women's Alpaca Wool Thong: 160 Ultralight

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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.*

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LESS WEIGHT, LESS WASHING

The Best Travel Underwear

Our breathable Alpaca Wool Thong are designed for your comfort and hygiene. Naturally moisture-wicking, anti-bacterial and odor resistant 100% Ultra-light Alpaca fibers feel soft on your skin and help you stay clean for as long as possible, making it the ideal underwear for long trails and backpacking trips. Our alpaca wool underwear makes you feel fresh and dry during exercise and outdoor adventures. 

  • 160g/m2 of 100% Alpaca Wool
  • PFAS-free
  • Thong Weight: 24 g (Size S)
  • Designed for ultimate comfort on your travels and adventures
  • Fitted cut with a natural stretch
  • Pairs well with our Sports Bra for outdoor activities and sports
  • Fabric Care
woman wearing alpaca wool boxer panties

NATURAL HIGH-PERFORMANCE

The Most Breathable Underwear

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: 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 Underwear

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 are on a journey to create 100% plastic-free and biodegradable underwear 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 underwear contains zero synthetic dyes and we are looking for a natural replacement for the silicone fabric finishing and waistbands.

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

Women's alpaca wool breathable panties

Free U.S. Shipping
& Returns →

Compostable
Packaging

Gift Cards
& Vouchers

Frequently Asked
Questions →

SINGLE ORIGIN SUPPLY CHAIN

Where Were These Thong 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.

LEARN MORE ABOUT OUR SUPPLY CHAIN

Complete Your Hiking Pack

Women's Alpaca Wool Sports Bra

160 Ultralight

from $65

Women's Alpaca Wool Long Sleeve Shirt

160 Ultralight

from $85

Women's Alpaca Wool Leggings

300 Lightweight

from $105

Women's Alpaca Wool Sports Bra

160 Ultralight

from $65

Women's Alpaca Wool Long Sleeve Shirt

160 Ultralight

from $85

Women's Alpaca Wool Leggings

300 Lightweight

from $105

Customer Reviews

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E
Emily
Size up!

Well made, but really tight. I’m usually an extra small, and I measured myself and ordered the small. It’s still really tight and riiides up. Unfortunately, I can’t wear it comfortably. I wish I had ordered a medium.

Hi Emily,

We’re so glad you love the quality, but we’re really sorry the size didn’t work out for you. That’s super helpful for us to know, and we truly appreciate you sharing your experience. If you ever need any help with sizing or anything else, don’t hesitate to reach out—we’re always happy to help!

Hope to get it right for you next time!