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Bamboo Leakproof Period Underwear
$28.00
Unit price
$28.00
per
item
Each
Soft. Safe. Seriously leakproof.
joni reusable period underwear brings together silky-soft bamboo comfort 360° leak protection you can trust—day or night.
Meet your new everyday essential: joni reusable period underwear. Made from ultra-soft, plant-based bamboo viscose, it’s leakproof protection that actually cares for your body. No bulky layers. No compromise. Just comfort that lasts, protection you can trust, and materials you can feel good about.
Thoughtfully designed in Canada for 360° leakproof protection, joni period underwear keeps you dry, comfortable, and confident—through your heaviest days, longest meetings, and deepest sleeps. The absorbent gusset holds the equivalent of 4 regular tampons, while breathable bamboo keeps things cool, fresh, and irritation-free.
A fit that moves with you. Materials that keep their shape. Reusable period underwear that shows up when you need it most.
Sizing: Please see the sizing chart to help you pick your size. joni Period Underwear is made to hold its shape, with a snug fit that moves with you. Between sizes or unsure? We recommend sizing up.
*Meets global PFAS safety thresholds—below detection limits.
How do I wash joni period underwear?
Wash joni period underwear in cold water without bleach. Then, hang to dry. Do not put in the dryer or dry clean. If you're not ready to wash your period underwear right away, simply rinse or even hand wash in your sink.
Comfort that holds up.
Protection that shows up.
- COMFORTABLE PROTECTION
- Thoughtfully designed for dependable coverage, backup protection, and everything in between. Soft, breathable, and built to move with you.
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- Full-Coverage Protection
- We didn't just add a pad. Our built-in, ultra-thin moisture barrier runs fully from front to back for true full-coverage protection.
- premium materials, elevated experience
- A premium blend of lyocell and cotton creates a silky-soft fit as the Merino wool gusset regulates temperature and odour.
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- BUILT TO LAST, NOT TO LANDFILL
- Durable, washable, and designed for real life—not the landfill. Lasts 150-175 washes, that's about 75% more than typical period underwear.
Up to 8 hours of protection
Equivalent to 4 regular tampons and engineered to keep you dry.
Safe for your body.
Your body deserves better than “industry standard.”
joni period underwear is tested for harmful substances and designed for sensitive skin—and peace of mind built in.
Made from ultra-smooth and breathable Lyocell, a regenerated cellulose fiber derived from renewable plant resources that are responsibly sourced. It's crafted using an eco-friendly, closed-loop process that recycles water and reuses over 99% of the solvent—making it incredibly kind to the planet.
Comfort in the Details
Designed in Canada for long-wear comfort and less waste. joni period underwear moves with you and keeps its shape, wash after wash.
FULL MATERIAL DISCLOSURE:
- BODY: Lyocell, Cotton, Spandex moves with you and retains shape
- LINING: Merino wool regulates temperature and odour
- LIQUID BARRIER: Viscose from bamboo + cotton laminated to Thermoplastic Polyurethane (TPU) film that's both breathable and waterproof
Real people, real reviews, happy customers.
Very happy with this product, not only is it comfortable but it does the job without compromising the environment.
— SANDRA
I loved all the joni products. It makes me feel so good to know there are no chemicals, dyes, fragrances, bleaching or harsh toxins used.
— JAMIE
I was so impressed with the quality of the joni products that I have tried, and I also really love and line up with the company vision and the local Canadian brand.
— KAREN
Period care that’s better by design.
Frequently asked questions
While individual results will vary based on your flow, joni period underwear can hold 40ml, which is about the equivalent of four regular tampons, or up to eight hours of use.
Lyocell is incredibly efficient at managing moisture and has been engineered to absorb and release liquid faster than cotton. It's amazingly soft, and, mixed with spandex, it ensures joni period underwear moves with you while keeping its shape. Traditional textiles can be incredibly resource-heavy, but lyocell is made using a highly sustainable closed-loop manufacturing process using sustainably managed wood pulp.
Materials:
- BODY: Body 47.5% lyocell, 47.5% cotton, 5% spandex
- LINING: 100% Merino wool
- LIQUID BARRIER: 70% viscose, 30% cotton + TPU (This stands for Thermoplastic Polyurethane and it's what makes joni period underwear leakproof, flexible, and even breathable. Our TPU is tested to meet global PFAS safety thresholds—below detection limits).
joni period underwear is flexible and stretchy and true to size. Refer to the size chart in the images above and measure your waist and the widest part of your hips to ensure an accurate fit.
Caring for your joni period underwear is easy! Simply wash in cold water and hang to dry. You can easily throw them in the washing machine or hand-wash. Do not bleach, put them in the dryer, or dry clean them. Your period underwear will keep their shape!
We want you to feel confident and comfortable in your joni period underwear. That’s why we offer a 30-day risk-free trial on your first pair.
If you need to return your underwear, please contact us within 30 days of delivery so we can help find the best solution.
joni period underwear is designed for a secure, supportive fit that moves with you and helps you feel comforted and protected. If you’re between sizes or unsure, we recommend sizing up. Be sure to check the size chart for detailed measurements.
The 30-day trial begins on the day your order is delivered.
- If you try your first pair and the size isn’t quite right, reach out to us at hello@getjoni.com to discuss!
- If your period underwear arrives with a fault, defect, or quality issue, we’ll issue a full refund to your original payment method.
Our goal is simple: to make sure you feel supported, comfortable, and confident—every step of the way.
2% for menstrual equity
1 in 3 Canadians under the age of 25 don't have access to safe period care across our communities. Our 2% giveback model funds period product donations, education and research initiatives with our non-profit partners.
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