Non-toxic period underwear made for women who read labels.
Leakproof TENCEL™ Boxer
PFAS Free
300+ wears
CPSIA Certified
The First Pair Promise
Made in LA
Machine washable
BUY MORE & SAVE MORE
Made from natural TENCEL™ Modal and toxin-free materials, this boxer combines softness, breathability, and built-in leakproof protection that feels barely there — keeping you dry, fresh, and confident through light to moderate days.
Designed to replace disposable products, each pair can be washed and reused up to 300 times, saving you money, waste, and constant restocks.
Because what touches your skin matters. Proudly made in LA.
Advanced 3-Layer Gusset (Crotch) Technology
Quick-Dry Top Layer
Soft and breathable against the skin, it wicks moisture away instantly to keep you dry and comfortable.
Absorbent Core Layer
With antimicrobial technology, it locks in moisture up to 20x faster than bamboo, cotton, or hemp — reducing odor-causing bacteria by over 99% while preserving softness wash after wash.
Waterproof Bottom Layer
Flexible, breathable, and toxin-free. Made using an eco-friendly bonding process without harmful solvents or VOCs.
Fit & Fabric
Fits true to usual underwear size.
Measurements
- XS - 24" Waist
- S - 25.5" Waist
- M - 28" Waist
- L - 29" Waist
- XL - 31" Waist
* If you are in between sizes we recommend sizing up
Learn more about the benefits of TENCEL™ in our Fabric Guide.
Washing Care
- Cool machine delicate or hand wash
- Tumble dry low or line dry in shade
- Do not bleach
Our fabrics are tested to withstand 300+ washes without losing performance. The care tips above help preserve the feel and stretch for longer, but they’ll still look and feel amazing even with your normal laundry routine.
Shipping & The First Pair Promise
- Fast delivery with easy order tracking
- First pair not right? Free size exchange or full store credit within 30 days. Learn more.
Not all underwear is created equal.
|
The Industry Standard |
|---|---|
| Certified Body-Safe Materials | Harsh, Toxic Materials |
| Tailored for Comfort, Not Leaks | Leaky, Sweaty, Odor-Causing |
| Made with TENCEL™ Modal | Cheap, Synthetic Fibers |
| Designed for Vaginal Health | Ignores What Your Body Needs |
Frequently Asked Questions
How much flow can it handle?
Built-in leakproof protection for light to moderate days, keeping you dry, fresh, and confident.
What's the gusset technology?
An advanced 3-layer gusset: a quick-dry top layer that wicks moisture instantly, plus an absorbent core with antimicrobial technology that locks in moisture up to 20× faster.
Is it non-toxic?
Made from natural TENCEL™ Modal and toxin-free materials. Proudly made in LA.
What size should I get?
Fits true to your usual underwear size (XS ≈ 24" waist up to XL ≈ 31" waist). Size up if between.
How do I care for them?
Cool machine (delicate) or hand wash; tumble low or line dry; no bleach. Reusable up to 300 times.
What if the fit isn't right?
First Pair Promise: a free size exchange or full store credit within 30 days.