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Our products are developed primarily from Tencel and Organic Cotton. 

Tencel is a naturally hypoallergenic luxury fabric, sustainability made of beechwood trees. In the search for a skin-friendly, environmentally-friendly fabric-Tencel stood out above the rest. It's durable, absorbent, SOFT, and more breathable than cotton. A single fiber of Tencel is 10x finer than a strand of hair, ensuring long-lasting softness that will keep you cool.

Organic Cotton was the material of choice for the gusset in our underwear. Its natural moisture-wicking and drying effect make it the ideal fabric for maintaining the health of your body's most delicate ecosystem.

While many of our competitors mass produce products made primarily of synthetic, petroleum-derived fabrics (polyester, polyamide, nylon, etc). Heralogie is committed to true sustainability. We produce a quality product in small batches, working exclusively with small, woman-owned, sustainable manufacturing. Our underwear has been designed and tested for optimal comfort and absorbency, without ever compromising our values.

Worried about odor? Don't be! We designed our underwear with anti-odor and anti-bacterial fabrics in the gusset. Your skin will be in direct contact with the organic cotton layer, keeping you feeling dry and comfortable.

Absolutely. Some of our users prefer to wear the panties as a second line of defense with a menstrual cup, menstrual disc or tampon. We're happy to offer a variety of suggestions and solutions for those with a very heavy flow.

The length of time in which you can wear the panties will depend on your comfort level and your flow. We recommend 8-12 hours maximum, with a wash between uses!

Heralogie products are made by a small, woman-owned, ethical manufacturer in Asia. They adhere to sustainable guidelines throughout production and provide all employees with fair wages and benefits like health insurance. 

Heralogie underwear can be machine-washed, preferably in a delicates bag. A quick rinse beforehand can help. We do recommend washing by hand the first few times to check for color fastness.

Do not bleach, use fabric softener, iron or dry clean. Wash with like colors. Always hang to dry, preferably in a dry and well-ventilated location.

Please see the size chart below and measure accordingly. If you have any questions, please email hello (at)

Low Hip (widest part)

  • XS: 34-35"
  • S: 36-37"
  • M: 38-39"
  • L: 40-41"
  • XL: 42-43"
  • 2XL: 44-45"

Of course! Being that we are such a small company and only just beginning to navigate the market, we've started on a smaller scale. Heralogie is committed to creating a culture of inclusivity, in both size and identity. We are in works to release a more inclusive range of sizes and styles to suit all. If you have input on potential sizes, styles or colors you'd like to see in our inventory, we'd love to hear from you.