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Essential Brief
Essential Brief
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Essential Period Briefs provide 4+ tampons of absorbency thanks to the ultra-thin, leak proof lining. Made from our signature, super soft TENCEL™ / organic cotton blend for ultimate comfort and breathability.
Details
Details
This full-coverage cut features a high waist and soft, narrow waistband elastic. Made with our luxurious Tencel & organic cotton blend for ultimate period comfort.
Absorbency
Absorbency
Provides 4+ tampons worth of absorbency for moderate flow.
Materials
Materials
Body: 48% TENCEL™ lyocell, 48% organic cotton, 4% spandex
Gusset: 90% Truetex™ (88% recycled polyester, 12% organic cotton), 10% TPU
Lining: 86% recycled polyester, 14% organic cotton
- Replaces 100+ disposable products
Machine Wash & Dry Safe
Absorbs 4+ Tampons














Underwear Size Guide
See it in your size
For the perfect fit, don’t take a wild guess — take your hip measurement!
Standing with your feet together, wrap a soft measuring tape around the
widest part of your lower hip.
Hip | Waist | Size | |
XXS | 33-34" | 23-24" | Y14-00 |
XS | 35-36" | 24-25" | 0-2 |
S | 37-38" | 26-27" | 4-6 |
M | 39-40" | 27-29" | 8-10 |
L | 41-42" | 30-32" | 12-14 |
XL | 43-44" | 33-35" | 16-18 |
1X | 44-46" | 37-39" | 16-18 |
2X | 48-50" | 41-43" | 20-22 |
3X | 52-54" | 45-47" | 24-26 |
4X | 56-58" | 49-51" | 28-30 |
5X | 60-62" | 53-55" | 32-34 |

The Thirst is Real
Our multi-layered gusset tech features a wicking top layer, super absorbent core and breathable leakproof backing.

Made with TENCEL™
The fiber that powers our period underwear. One of the most sustainable materials in the world - TENCEL™ Lyocell - is biodegradeable, highly breathable, less susceptible to odour-causing bacterial growth, and absorbs 50% more than cotton.

Smooth No-Chafe Seams
Periods are uncomfortable enough, you don't need scratchy seams ruining your day. We prioritize comfort in our product design, down to every last detail.
FAQ

How do Essential period underwear work?
Our specially engineered lining combines super-absorbent Truetex™ technology with a leak-proof lining that absorb 4 tampons worth of fluid.
How do you wash Essential period underwear?
Our period underwear were made to fit into your regular laundry routine. Just rinse the gusset in cool water before washing in the machine with your regular laundry. Hang to dry where possible - it saves energy and prolongs the life of your undies!
How are Essential period underwear different from Boost period underwear?
Essential period underwear are made with the same super-soft, breathable & sustainable fabrics as our Boost underwear, but feature an ultra-thin, all-in-one gusset design that absorbs 4+ tampons worth of fluid. Everything you need—nothing you don’t.
Do I need to wear a pad or tampon with them?
Essential period underwear provide 4+ tampons worth of absorbency and can be used instead of disposable pads & tampons.