Leakproof TENCEL™ Boxer
Complete the look:
Most underwear isn’t made with your body in mind. Ours is.
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.
Thong 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 & Returns
- Free shipping on US orders over $125
- Fast delivery, track your orders easily
- As a new, small brand, at this time we are not accepting returns. All sales are final.
Leakproof TENCEL™ Boxer
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I love these boxers! So soft, so comfy, so adsorbent. The best period underwear I’ve tried.
I am so happy I found flowergirl. The fact that I don’t have to wear pads or tampons AT ALL is like a miracle. I feel like I’m doing my body right, don’t have to worry about bleeding through. It’s a dream come trueeee.