Leakproof
BOOST Boxer
- Absorbs 4-8 regular tampons
- Adjust absorbency with BOOSTER™
- Machine washable
- Includes one BOOSTER™
Our boxers run large, please refer to our size guide to determine your perfect fit.
$2.99 Priority shipping on orders over $99 · Shipping & Returns
Details
Fit & Feel
Absorbency
Best for
Easy refresh
Value for money
Light to heavy flows
Overnight
Care instructions
Machine wash cold
No fabric softener or bleach
Dry on low heat
Fit + Coverage
Mid rise
2.75" inseam
Runs large, size down
Materials
Diagrams
BOOST™ Adjustable Absorbency
Protection you can customize
Absorbs 4-8 tampons
Not every day requires the same level of protection. That’s why we developed BOOST™, our adjustable absorbency system.
BOOST™ allows you to customize protection using a removable absorbent BOOSTER™, adding capacity only when you need it.
WHAT IS A BOOSTER™
A BOOSTER™ is a removable insert shaped like a pad without wings that is designed to fit into our BOOST™ underwear.
HOW IT WORKS
BOOST™ can be worn with or without a BOOSTER™ for light or heavy coverage.
Adjust absorbency by sliding the removable BOOSTER™ into the front and back openings of the gusset.
HOW IT PERFORMS
BOOST™ features our integrated three layer leakproof system to wick fluid away from the body and absorb up to 4 tampons worth of fluid.
WHY WE MADE IT
Adjustable absorbency means better comfort, better performance, and you need fewer products overall.
Made for Humans, By Humans
OEKO-TEX® certified
Our fabrics are certified free from harmful substances, gentler on skin, safer for long-term wear, ultimately, reducing irritation.
Stitched, not glued
Stitched seams hold up through 100+ washes. Bonded (glued) construction stretches out and breaks down over time.
PFAS-Free*
No PFAS or unnecessary chemical treatments in our leakproof layers, materials designed to be safe against your skin.
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I love them! So comfy and soft. I like to just lounge in them
these are awesome! so very soft and the elastic is softer and stretchier than I expected. I’m usually quite sensitive to elastic digging in, especially when inflamed or bloated but these are much gentler than I assumed they would be.



