Boyleg Bamboo Cotton Period Underwear - Fanzy Pantz

Boyleg Cotton Period Underwear - Fanzy Pantz

Boyleg Sleep Period Shorties - Fanzy Pantz

Boyleg Bamboo Cotton Period Underwear

$25.00

Full-coverage bamboo cotton boyleg underwear made for heavier days and nights.

Size: 6 - 8 (XS)

Choose how many you need: 1 pair

* 2–3 pairs can help you feel supported through heavy days and nights

Free shipping $50+. View shipping policy
60 day returns. View return policy

Why you'll love it

Designed for heavier days and long nights when you want to feel secure without thinking about it.

The full-coverage boyleg cut stays comfortably in place when you’re sleeping, sitting, or moving, helping reduce worry and distractions. Soft bamboo cotton feels gentle against the skin, while front-to-back coverage offers reassurance where it matters most.

This style is a popular choice for overnight wear, postpartum recovery, and younger wearers heading to sleepovers or school camps, where comfort and discretion matter.

Best for

Heavy periods and long days
Overnight and sleep
Postpartum bleeding and recovery
School camps and sleepovers
Sitting, travel and sport

How the undies work

Soft bamboo cotton sits comfortably against skin.
Absorbent inner layers help lock in fluid.
A waterproof layer helps prevent leaks reaching clothing during heavy flow and overnight wear.
Breathable outer layers help keep you feeling dry.
No pads to shift. No layers to manage. No late-night changes.

Fabric & care

Fabric

Outer: 95% bamboo cotton, 5% spandex
Gusset: Absorbent and waterproof multi-layer system
Designed for breathability and comfort

Care

Rinse after wear. Cold machine wash. Line dry.
Avoid tumble drying and fabric softener.
We recommend owning more than one pair so you can rotate while one is washing and drying.

Owning more than one pair makes overnight use and school weeks easier.

Good to know

Replaces disposable pads on heavy days
Designed to be worn on its own
Discreet under clothing
Suitable for teens and adults
Wider gusset to provide extra coverage for heavy flow and overnight wear
Because this style includes a waterproof layer for heavy-flow protection, it can feel warmer than everyday underwear during long wear

If you’re buying for daytime wear or prefer a lighter feel, our bikini or seamless styles may suit better.

4.9 AVERAGE RATING

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Loved by hundreds of customers

What Other's Are Saying

5.0

Emma Verified Customer

I sleep soundly knowing I have extra coverage and protection.

Boyleg Bamboo Cotton Period Underwear

From $25.00

5.0

Chloe Verified Customer

My friend recently told me about these undies and since I got them, I haven't had to put a towel down on the bed.

Boyleg Bamboo Cotton Period Underwear

From $25.00

5.0

Jasmin Verified Customer

These are hands down the BEST period undies I've ever owned! They're super comfy, completely leak-proof, and so stylish you can wear them as shorts.

Boyleg Bamboo Cotton Period Underwear

From $25.00

How to Care for

Your Fanzy Pantz Period Underwear

Rinse After Use

Rinse your Fanzy Pantz period underwear in cold water until clear to remove excess blood and prevent stains.

Machine Wash Gently

Machine wash cold with like colors on a gentle cycle using mild detergent.

Do not use bleach or fabric softener, as this can reduce absorbency.

Air Dry Only

Lay flat or hang to air dry. Avoid tumble drying—heat can damage the absorbent layers and elastic.

Store When Fully Dry

Once fully dry, store your period panties in a clean, dry place or in your Fanzy Pantz pouch.

Need Help?

Can’t find what you’re looking for or need personalised advice? Our team is here to help with sizing, absorbency, orders, or anything else you’re unsure about.

Can these be worn to sleepovers or school camp?

Yes. This style is designed for overnight wear and long hours, making it a popular choice for sleepovers, camps and situations where changing isn’t practical.

Will these feel warmer than regular underwear?

Because this style is designed for heavy flow and includes a waterproof layer for leak protection, it can feel warmer than everyday underwear, especially during overnight or long wear. Many families choose this style specifically for sleep, recovery and peace of mind.

Do they replace pads or tampons?

Yes. They’re designed to be worn on their own on heavy days and overnight.

How much flow can boyleg period underwear hold?

Boyleg period underwear can hold about 25ml of fluid, which is equivalent to about 4 to 5 tampons depending on the brand and absorbency level. This makes them ideal for heavy flow days and overnight use, offering reliable protection for up to 8-12 hours without leaks. The absorbent gusset extends front to back to help prevent leaks even when lying down or active.

Do boyleg period underwear prevent leaks better than pads or tampons?

Boyleg period underwear often prevent leaks better than pads or tampons because they provide full-coverage, multilayer leak-proof protection that absorbs fluid directly, reducing the risk of shifting or overflow. Unlike pads that can move or bump, boyleg period undies stay snug and secure while also being breathable and moisture-wicking, which keeps you dry and comfortable longer. They’re also great for overnight protection and postpartum use, offering more freedom of movement and better confidence compared to traditional period products.