1. Home
  2. /
  3. Women
  4. /
  5. Women's Underwear
  6. /
  7. Period & Leak-Proof Underwear
  8. /
  9. Period & Leak Proof - Full Brief - Moderate - Heavy
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
XS-4XL
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black Period & Leak Proof - Full Briefs - Moderate - Heavy - Black Period & Leak Proof - Full Briefs - Moderate - Heavy - Black Period & Leak Proof - Full Briefs - Moderate - Heavy - Black Period & Leak Proof - Full Briefs - Moderate - Heavy - Black Period & Leak Proof - Full Briefs - Moderate - Heavy - Black Period & Leak Proof - Full Briefs - Moderate - Heavy - Black Period & Leak Proof - Full Briefs - Moderate - Heavy - Black Period & Leak Proof - Full Briefs - Moderate - Heavy - Black Period & Leak Proof - Full Briefs - Moderate - Heavy - Black Period & Leak Proof - Full Briefs - Moderate - Heavy - Black Period & Leak Proof - Full Briefs - Moderate - Heavy - Black Period & Leak Proof - Full Briefs - Moderate - Heavy - Black Period & Leak Proof - Full Briefs - Moderate - Heavy - Black Period & Leak Proof - Full Briefs - Moderate - Heavy - Black Period & Leak Proof - Full Briefs - Moderate - Heavy - Black Period & Leak Proof - Full Briefs - Moderate - Heavy - Black Period & Leak Proof - Full Briefs - Moderate - Heavy - Black Period & Leak Proof - Full Briefs - Moderate - Heavy - Black Period & Leak Proof - Full Briefs - Moderate - Heavy - Black Period & Leak Proof - Full Briefs - Moderate - Heavy - Black Period & Leak Proof - Full Briefs - Moderate - Heavy - Black Period & Leak Proof - Full Briefs - Moderate - Heavy - Black Period & Leak Proof - Full Briefs - Moderate - Heavy - Black Period & Leak Proof - Full Briefs - Moderate - Heavy - Black Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
XS-4XL
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black
Period & Leak Proof - Full Briefs - Moderate - Heavy - Black

Period & Leak Proof - Full Brief - Moderate - Heavy

In Period Seamfree Fabric

$35.95CAD
Colour:
Size
Help Find My Size
Pack Size

Spend $110+ for Free Standard Shipping to Canada

Features
Breathable
Leak Proof Technology
Non-Toxic
Odour Resistant
PFA Free
Moderate - Heavy Absorbency
Size & Fit
Runs small
True to size
Runs large
  • High-rise design for optimal coverage and comfort.
  • Soft wide ribbed waistband and seamfree construction for added comfort.
  • Machine washable with fast-absorbing leakproof technology.
  • Double-layered towelling gusset ensures freshness and dryness.
  • Designed for moderate to heavy period days, occasional light bladder leaks, and discharge.
  • Absorbency: Up to 3 regular tampons, up to 3 regular pads, holds 15ml.
  • Certified as 100% PFA-free.
Outer: 79% Viscose made from bamboo, 15% Nylon, 6% Elastane. Gusset 1 : 100% Cotton. Gusset 2: 72% Viscose made from bamboo, 28% Cotton. Gusset 3: 86% Modal, 7% Seaweed Fibre, 7% Elastane.
Wash before wear, after use rinse with cold water until water runs clear, machine wash cold with similar colors, gentle cycle, do not bleach, do not tumble dry, flat dry in shade, do not iron, do not dryclean.
  • Free shipping on US orders over US$60.
  • Free shipping on CA orders over CA$110.
  • Fast delivery, track your order easily. Learn more about shipping and delivery.
  • Easy returns process, accepted within 30 days of purchase. Learn more about our returns policy.
  • Items purchased at a discounted price during promotional sale events are eligible for exchange or store credit only.
  • Final sale items cannot be exchanged or returned.
  • Only unopened Underwear can be returned.
Size chart
We are here to help you choose your perfect fit
UNDERWEAR SIZE CHART
Model Bio
Model's Photo - Laura De Wit

Laura


Height:176cm (5' 9")
Waist:62cm (24.4")
Bust:82cm (32.3")
Hips:90cm (35.4")
Wears: Size S Boody Bottom

Model's Photo - Caitlin Murphy

Caitlin


Height:183cm (6' 0")
Waist:86cm (33.9")
Bust:100cm (39.4")
Hips:121cm (47.6")
Wears: Size XL Boody Bottom

Model's Photo - Liz Hayez

Liz


Height:165cm (5' 5")
Waist:100cm (39.4")
Bust:114cm (44.9")
Hips:138cm (54.3")
Wears: Size 2XL Boody Bottom

Complete The Look

Period & Leak Proof - Full Brief - Moderate - Heavy

Why is this product perfect for you?

  • High-rise design for optimal coverage and comfort.
  • Soft wide ribbed waistband and seamfree construction for added comfort.
  • Machine washable with fast-absorbing leakproof technology.
  • Double-layered towelling gusset ensures freshness and dryness.
  • Designed for moderate to heavy period days, occasional light bladder leaks, and discharge.
  • Absorbency: Up to 3 regular tampons, up to 3 regular pads, holds 15ml.

Why We Made This

All the comfort and breathability of our regular Full Brief undies but with added reliable, stress-free protection. Featuring four-layer, fast-absorbing leakproof technology that holds up to 3 regular tampons, keeping you fresh and dry. All our Period & Leak Proof Underwear is PFAS and Silver free, as it should be.

Frequently Asked Questions

Here are the questions other people ask about this product.

They feature a high-rise fit that provides full stomach and bum coverage. If you’re a fan of our Original Full Briefs, these are for you.

They offer Moderate to Heavy absorbency, holding up to 15ml, equivalent to up to 3 regular tampons or 3 regular pads.

Yes. Designed for moderate to heavy flow days, many people wear them comfortably throughout the day, depending on personal flow and preference.

The underwear features fast-absorbing, built-in leak protection, including a single-layer towelling gusset that helps absorb moisture and keep you feeling dry.

No. The absorbent layers are integrated into the underwear, so they feel much more like your everyday underwear.

Yes. They are certified 100% PFAS & Silver free, meaning they do not contain harmful forever chemicals.

Yes. Reusable period underwear can save money over time compared to continually buying disposable products.

You can machine wash them with your regular laundry on a cool wash, up to 40°C/104°F. Avoid fabric softener and tumble drying to help maintain the leak-proof technology.

The Period & Leak Proof Full Briefs Moderate to Heavy are available in extended sizing; XS-4XL.

Overall rating: 4.5622897 / 5 from 297 reviews.

AI Generated Review Summary

These period and leak-proof briefs offer great coverage, comfort, and absorbency, making them suitable for moderate to heavy periods and light bladder leaks. Customers appreciate the soft fabric, secure fit, and leakage-proof feature, though opinions on size and padding vary.

Summary topics

  • Coverage: 8%
  • Feel: 12%
  • Fabric: 9%
  • Leakage-Proof Feature: 10%
  • Absorbency: 5%

Review topics: ["size","fit","fabric","support","waist","material","design","issue","quality","look","feel","pants","shape","comfort","style","undies","stretch","cut","coverage","underwear","padding","protection","band","leaks","comfy","period","absorbency","briefs","waistband","gusset"].

Review highlights

  • "Lovely soft fabric that does not dig in the stomach, great absorbency." — Cécile B.
  • "Lovely soft fabric, comfortable supportive and effective design." — Annie H.
  • "Just what I was looking for on those heavy days - good coverage and nice soft fabric." — Amy B.

Reviews

Comfy but improvement needed

"Comfortable as all Boody underwear is, but disappointing the leakproof insert doesn't come up higher at the front for better coverage & security. The coverage of the leakproof panel needs to be more clearly stated in all Boody period underwear, as photos do not display this."

— Justine M. (4/5)

The most comfortable period briefs

"My daughter says out of all the brands she's tried these are the best by far. We're slowly replacing all the other ones with these ones."

— Felicity F. (5/5)

These are really robust! The

"These are really robust! The weight of them certainly indicates there is a lot of absorption there. Though they are weighty they are super comfortable"

— Lesley N. (5/5)

Excellent

"Very comfy perfect fit"

— Mrs J. (5/5)

Really soft and comfortable product.

"Really soft and comfortable product."

— Pippa R. (4/5)

Recommended

"The fit is so comfortable"

— Catherine M. (5/5)

Best period undies

"The most comfy period undies I’ve owned. So soft and not bulky. Would highly recommend"

— Jessica G. (5/5)

Highly recommended!

"Greta product, well designed and very comfortable"

— Geranne D. (4/5)

"Love tgere. Great quality!"

— Kam (5/5)

Nice

"The boody undies were perfection."

— Wendy L. (5/5)

Q&A

On the Grid

Follow @boody