Name: Bamboo Leakproof Period Underwear
Brand: joni
Price: 28.0 CAD
Availability: InStock
Rating: 4.7 (50 reviews)

Comfort that holds up.
Protection that shows up.

PFAS-FREE PEACE OF MIND: Independently lab-tested and verified free from forever chemicals (PFAS)

all day 360º protection: Protective moisture barrier fully protects you, back to front, and moves with you, day to night.

BAMBOO-BUILT COMFORT: Made with 94% bamboo viscose, it’s silky-soft, breathable, non-irritating and naturally odor-resistant.

BUILT TO LAST, NOT TO LANDFILL: Durable, washable, and designed for real life—not the landfill. Less waste, more wear, and real value that lasts.

Up to 8 hours of protection

Equivalent to 4 super tampons. Premium quality with planet-friendly materials.

Safe for your body.

Your body deserves better than “industry standard.”

joni uses independently lab-verified PFAS-free materials, OEKO-TEX testing, and plant-based fibers without toxic dyes, phthalates, or heavy metals. Just soft, breathable bamboo viscose designed for sensitive skin—and peace of mind built in.

Person in joni green period underwear sits on a stool wearing a white tank top

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 INGREDIENT DISCLOSURE:

BODY: 92% Bamboo, 8% spandex
LINING: 100% Bamboo
LIQUID BARRIER: Lightweight PFAS-Free TPU leak protection

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.

Four smiling menstruators of different sizes in joni period underwear wearing white tops against a white backdrop.

Frequently asked questions

How much can joni period underwear hold? How much can joni period underwear hold?

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.

Is joni bamboo ethically & sustainably sourced? Is joni bamboo ethically & sustainably sourced?

Yes, we are very particular about how materials are sourced and who we work with. Our bamboo pulps follow FSC guidelines to ensure the sustainability of the plant. Components within the product have been tested for harmful substances. We also utilize a closed-loop bamboo process in our manufacturing. joni materials are tested for harmful levels of toxins and sustainable and ethical manufacturing processes.

Are they safe? What materials are they made from? Are they safe? What materials are they made from?

joni is made mainly from bamboo viscose, also known as bamboo rayon. Made from organic bamboo pulp, this super soft but strong fabric undergoes chemical processing where the chemicals are not dumped but captured and reused so there is no waste. The material is then tested by OEKO-100 to ensure there are no toxic levels of chemicals. joni period underwear is also independently lab tested to be free from PFAS (forever chemicals).

Materials:

BODY: 92% Bamboo viscose, 8% spandex (Super soft and holds its shape).
LINING: 100% Bamboo viscose (The gusset is soft against your skin).
LIQUID BARRIER: TPU (This stands for Thermoplastic Polyurethane and it's what makes joni period underwear leakproof, flexible, and even breathable. Our TPU is tested to be PFAS free).

How do they fit? How do they fit?

joni period underwear is form-fitting to move with you and provide a sense of security. The bamboo viscose is soft, while the spandex keeps its shape. 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. If you're not sure, size up!

How do I wash them? How do I wash them?

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!

What is your return policy for joni period underwear? What is your return policy for joni period underwear?

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 of underwear. If you’re not completely happy with your first pair, we’ve got you covered with a simple, hassle-free process.

The 30-day trial period begins on the day your order is delivered. If you try on your first pair and decide the size or style isn't quite right for you, we are happy to offer you a store credit for the purchase price of that pair. You can then use this credit to order a different size or style that works better for your body.

While we are committed to quality, if your period underwear arrives with a fault, defect, or quality issue, we will issue a full refund to your original payment method.

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.