I love that I can ditch pads completely! Pixie period underwear holds so much without leaking, so there’s no waste, bulk, or hassle of disposable products.
Learn More About Period Underwear
ABSORBENT LEAKPROOF PROTECTION. Our average flow period underwear for women holds between 5-7 tampons’ worth (26-38 ml) depending on the size. The midrise seamless bikini fit has you feeling dry, secure, and free to do you.
BLOATFIT™ = MADE TO MOVE WITH YOU. Bloated? No worries. Our signature BloatFit™ tech stretches up to 5 sizes so your period panties flex and flow with your body—every single day of your cycle.
MADE WITH CARE. Made with a 100% organic cotton gusset layer, our period underwear is free from PFAS and harsh chemicals. It’s gentle on skin, safer for the planet, and designed for all ages.
STAY FRESH, DRY, AND COMFY: Designed for all-day wear, Pixie’s ultra-thin, breathable, moisture-wicking layers keep you feeling clean and confident—morning to midnight.
WORLD’S BEST CUSTOMER SERVICE: We back our period panties with a 100% Satisfaction Guarantee. Not happy? Email or text us—we’ll replace it or refund you, no questions asked.
Period Underwear Features
100% Organic Cotton Gusset
Made with skin safe materials and no added PFAS or other harsh chemicalsBloatFit™ Technology
Allows your undies to stretch and move with you while maintaining total comfortRegular Absorbency
These Period undies are the perfect average flow protection, holding 5-7 tampons worth (26-38mL)Ultra-Thin
Their thin, but super-absorbent design feels like regular underwear, but with a leakproof protection superpower
The organic cotton gusset is so soft and breathable, it feels like regular underwear but with way more protection.
Why to buy Period Underwear
Meet your new cycle sidekick: Pixie Period Underwear. Feel confident, clean, and comfortable all day with Pixie Period Underwear for Women – the breathable, reusable, and leakproof solution for every flow. Thanks to our innovative BloatFit™ technology, they stretch up to 5 sizes to fit your body perfectly (yes, even on bloated days). Say goodbye to uncomfortable pads and tampons. Pixie offers absorbency equivalent to 5-7 tampons (36-38 mL), so you can move freely with total peace of mind. Our chemical-free protection is safe for your skin and the planet—free from PFAS and other harmful substances. The multi-layer gusset system ensures softness, moisture-wicking, and leak-proof performance you can trust. Whether you're a teen, adult, or need plus-size period underwear, Pixie’s sleek black bikini fit design and body-hugging comfort keep you feeling beautiful—every day of your cycle. Oh, and the best part? No pads. No waste. No worries.
Frequently Asked Questions
Pixie Undies are here to change your period game. With our exclusive BloatFit™ technology, they’re made to stretch up to 5 sizes, so you stay comfy and supported whether you're bloated, lounging, or on the go. They move with your body (not against it) and feel like your favorite everyday underwear, just with superpowers.
Each size holds a different amount to give you the best coverage for your body.
Here’s what you get:
XS: 26 mL
S: 28 mL
M: 30 mL
L: 32 mL
XL: 34 mL
2XL: 36 mL
3XL: 38 mL
That’s about 5-7 tampons' worth of protection without the waste or discomfort.
Pixie Undies are designed for average flow days. Perfect for regular period days, light bladder leaks, or as a cute and comfy backup with a menstrual cup or disc.
We went all-in on comfort and safety:
BODY: 79% Polyamide, 21% Elastane
GUSSET: first layer - 100% organic cotton (skin-friendly layer)
second layer - 100% polyester (water-absorbing)
third layer - 100% polyester + TPU (leak-proof)
fourth layer - 79% polyamide, 21% elastane
Yes. Pixie Undies are not treated with any added PFAS or other harmful chemicals.
Taking care of your undies is simple:
Machine wash cold
Skip the fabric softener (it reduces absorbency)
No bleach or ironing
Hang dry for best performance.
Choose your usual underwear size. Thanks to our BloatFit™ fabric, each pair flexes to fit your body even during your bloated days.
