Our Materials
We care about what touches your skin and the impact it leaves behind.
the Cotton collection
100% GOTS-Certified Organic Cotton
When we set out to make the Cotton Collection, we wanted to know exactly where everything came from and how it was made. That led us to Peru.
Every step of cotton development happens there, from fiber growth to fabric development to sewing. Our mill is B Corp, Fair Trade, GOTS, Regenerative Organic Certified, and OCS certified. Our factory partner is WRAP certified for ethical manufacturing, worker safety, and legal compliance.
The cotton itself is GOTS-certified, the highest standard for organic textiles. We do not use harmful pesticides, synthetic fertilizers, harsh dyes, or GMOs. Every stage of production is considered. So what touches your skin is exactly what it says it is, just pure organic cotton, nothing else.
Our fabric is made from only organic cotton, with no added spandex or synthetic fibers. This level of purity is rare in the market, as most cotton underwear blends in synthetics for stretch. Because of this, our garments may appear slightly more relaxed in shape than a typical pair, a reflection of their natural fiber content and uncompromised composition.
The result is breathable cotton that feels soft on your skin and lives gently on the planet.
OEKO-TEX Certified Trims
Every detail matters.
Our threads, trims, and labels are OEKO-TEX® certified, which means they are free from harmful substances and safe for even the most sensitive skin. We believe true comfort comes from confidence in what you are wearing, not just how it feels.
the Movement collection
Performance Where It Matters
Our Movement Collection is a breathable mesh made of high performance fibers that dries quickly, wicks sweat, and moves easily with your body. The fabric is OEKO-TEX® certified, seamless, and featherlight. It is designed for modern life, offering function where it counts and ease everywhere else.
It’s embedded with antimicrobial mineral fibers that are activated by the presence of moisture to release silver ions. This helps to inhibit the growth of unwanted, odor-causing bacteria and fungi that accumulate on the fabric – making it ideal for sweaty workouts and active days.
These antimicrobial fibers are a natural and permanent solution that use absolutely no nanotechnology and will not shed elemental silver. It is responsibly sourced and made with ions found in water, land, and sea. Silver technologies have been used by Nasa, Olympic athletes and in products for treating wounds and burns. Silver has been used to inhibit bacterial, and microbial growth, prevent infection, and promote human health since 1300 BC.
Our Journal
Natural vs. Man-Made Fibers: What’s the Difference and Why It Matters
Curious about the difference between natural and man-made fibers? Learn how each material type serves a purpose and how to choose what’s best for your body.
How to Care for Your Netherlin Underwear
Learn how to wash and care for your underwear, from organic cotton to performance mesh, to maintain comfort, shape, and longevity.