From $90.00
HYACINTH BIKINI BOTTOM
Low waist bikini bottom made with breathable and quick drying Alpaca or Merino wool.
Curious about natural swimwear? Explore Swimwear FAQs.
Handmade in Vermont, USA
HYACINTH BIKINI BOTTOM
Low waist bikini bottom made with breathable and quick drying Alpaca or Merino wool.
Merino
Lightweight, breathable, and quick-drying. Keeps you feeling dry after swimming.
Alpaca
Ultra-soft, insulating, and naturally water-repellent. Absorbs even less moisture and is stronger than merino.
Want to know about natural fiber swimwear? Explore Swimwear FAQs.
Features:
Handmade in Vermont, USA
| Weight | .2 lbs |
|---|---|
| Size | XS, S, M, L, XL, 2X, 3X |
| Color | Black Merino, Charcoal Alpaca |
| Care | Rinse after Swimming, Cold Hand Wash or Gentle Cycle in a Garment Bag, Hang or Dry Flat |
| Content Information (Alpaca) | 77% Royal Alpaca, 19% Modal, 4% Spandex. Exclusive of trimmings. |
| Content information (Black Merino) | 95% Ultrafine Merino Wool (16.5 Micron), 5% Spandex. Exclusive of trimmings. |
| Good for Swimwear | This item is great for swimming in! |
HYACINTH BIKINI BOTTOM | Merino & Alpaca Swimsuit
While this natural swimwear is not 100% plastic free, it is made primarily from natural fibers including merino wool, alpaca, and modal. Most styles are approximately 95% natural fiber, with about 5% spandex, and elastics and straps include nylon and spandex for structure and durability.
This blend allows the swimwear to maintain shape, comfort, and longevity while still prioritizing natural materials.
Both merino wool and alpaca are breathable, soft, and exceptionally low in moisture absorption—making them uniquely suited for swimwear. After swimming, they shed water quickly and feel dry to the touch, keeping you light and comfortable.
Merino is lightweight, versatile, and ideal for all-day wear. Ultrafine merino feel soft against the skin while naturally wicking moisture—making it a great choice for both swimming and movement.
Alpaca offers an ultra-soft, more luxurious feel. Its naturally hollow fibers help regulate temperature while repelling water, absorbing even less moisture than merino. It’s also hypoallergenic and rare in stretch fabrics.
The alpaca fabric is blended with modal—a plant-based rayon fiber—adding strength, stability, and durability, especially when wet.
While natural—and excellent for undergarments—cotton and hemp tend to feel cold when wet and retain a high amount of water, leading to a heavy, slow-drying feel after swimming.
Merino wool and alpaca behave differently, absorbing far less moisture and drying quickly for a lighter, more comfortable experience.
Take gentle care of your swimsuit to help preserve its natural fibers:
It’s not ideal.
While 95% merino wool or alpaca blend underwear will dry quickly, it may be see-through because it is made from a single layer of fabric, unlike the swimwear. Additionally, most underwear styles have little to no elastic in the seams, whereas swimwear includes elastics in the leg openings and waist for a secure fit.
Yes!
Since all Hanna Broer bras are made with a double layer of fabric and contain elastics to keep a good hold, you can use the 95% merino bras for swimming. The merino blends with Tencel™ may be less suitable, since they may be see though, and the merino content is much lower.
Yes!
Natural swimwear made from merino wool and alpaca is breathable and quick drying, making it a comfortable option for everyday undergarments. They have more hold and structure than most of the single layer underwear styles, which is great if you like a secure fit.
Not for a modern, stretchy swimsuit.
While advancements are being made in biodegradable materials, it is not currently possible to create snug-fitting, supportive, and durable swimwear without elastane (spandex) or synthetic elastics.
No.
Natural swimwear is functional, comfortable, and breathable but will feel and behave differently compared to synthetic swimwear.
All items suitable for swimming are listed in the “swimwear” category.
You can also look for the “good for swimming” icon on each product page.
Use your waist and hip to estimate your high-waist and low-waist undies size.
Use this quick chart to check where your waist and hip measurements land.
| Size | Waist | Hip (widest) |
|---|---|---|
| XS | 25-26 | 34-35 |
| S | 27-28 | 36-38 |
| M | 29-30 | 39-41 |
| L | 31-33 | 42-44 |
| XL | 34-37 | 45-49 |
| 2X | 38-41 | 50-53 |
| 3X | 42-45 | 54-57 |
| Size | Waist | Hip (widest) |
|---|---|---|
| XS | 63.5-66 | 86-89 |
| S | 68.5-71 | 91.5-96.5 |
| M | 74-76 | 99-104 |
| L | 79-84 | 107-112 |
| XL | 86-94 | 114-124.5 |
| 2X | 96.5-104 | 127-135 |
| 3X | 107-114 | 137-145 |
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