Heavy Flow Seamless High Brief – 3-Pack

$69.95 USD

~~$83.85 USD~~ $69.95 USD

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Absorbs up to 4 pads or tampons · PFAS-free · Four-layer protection · Free first size exchange

Not sure this absorbency is right for you? Find your match →

Color Black

Size S M L XL 2XL 3XL 4XL

Pieces 3pcs

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Three Everyday Essentials. Serious Protection.

Build a dependable heavy-flow rotation with period underwear designed for smooth comfort, secure coverage and easy everyday wear.

The EvaBody Heavy Flow Seamless High Brief 3-Pack includes three high-rise briefs with a sleek, seamless finish that sits discreetly beneath clothing. The supportive fit offers comfortable coverage through the waist, hips and back, while the three-pair pack makes it easier to stay prepared across heavier days and nights without constantly washing and rewearing the same pair.

Designed for heavy flow, all-day wear and overnight protection, each brief provides reliable absorbency to help you feel dry, secure and confident for longer. The smooth construction makes this pack a practical choice under workwear, sleepwear and everyday outfits when you want dependable protection without unnecessary bulk.

This value pack gives you greater convenience and better value while helping you build a reliable period underwear routine.

More pairs. Less laundry. Serious protection when you need it most.

Product Features

Absorbency: 55ml, holds up to 4 pads or tampons

Best for: Heavy flow, all-day protection, and overnight protection

Style: Seamless High Brief

Smooth, seamless finish for a sleek look under clothing

High-rise design for added comfort and coverage

Material Composition

Body: 78% Nylon, 22% Spandex
Lining and middle layers: 80% Polyester, 20% Nylon

Sizing

Our styles run small, so we recommend sizing up from your normal size for the best fit.

Not sure which size to choose? View our full Size Guide →

Still unsure? Don't stress, we offer a free first size exchange if your first EvaBody order isn't quite the right fit.

How Our Protection Works

Four Layers. One Smart Protection System.

EvaBody’s four-layer technology wicks away moisture, absorbs fluid and helps prevent leaks, while the soft outer fabric keeps you comfortable and confident throughout the day.

Explore our four-layer technology →

First Order Size Guarantee

Shopping for period underwear for the first time? We've got you covered.

If your first EvaBody order isn't the right fit, we'll send you one replacement in the correct size at no extra cost, and you can keep your original pair.

Simply contact us within 14 days of delivery.

PFAS-Free Guarantee

Every EvaBody period underwear style is independently tested and confirmed PFAS-free and is made with OEKO-TEX® STANDARD 100 certified fabrics, ensuring it is free from harmful levels of over 1,000 substances.

Care Instructions

To keep your EvaBody pieces performing at their best:

Before first wear

Machine wash on a cold or gentle cycle at a maximum of 30°C using mild detergent, then air dry completely. This helps prepare the absorbent layers for use.

After each use

Rinse in cold water until the water runs mostly clear.
Machine wash with similar colours on a cold or gentle cycle at a maximum of 30°C using mild detergent.
Do not use bleach or fabric softener.
Air dry completely in a well-ventilated area. Do not tumble dry.
Do not iron.

Read the full care guide →