At ZD Zero Defects, we have spent more than a century designing premium underwear that cares for your skin and respects the planet. Our sustainable period briefs and for light urinary leaks are handcrafted in Barcelona using carefully selected natural fibres, primarily organic cotton and soy fibre, to offer a healthier, more effective and eco-friendly solution for your cycle.
Reusable and long-lasting, they withstand over 100 washes, helping you reduce waste while saving money. 🌎
Premium natural fibres: Soy fibre and organic cotton 🌱
The core of our menstrual panties is made from natural materials that respect even the most sensitive skin.
Main benefits of our natural fibres:
- 🌬️ Breathable, helping prevent excess moisture
- 🌸 Ultra-soft and smooth on the skin
- 🛡️ Naturally antibacterial and odour-resistant
- 🤍 Suitable for sensitive and atopic skin
- 🍃 OEKO-TEX® certified, free from harmful substances
These fibres form the foundation of a garment designed to accompany you throughout your cycle with total comfort.
Composition of ZD menstrual panties
Each fibre is selected to achieve an ideal balance between absorption, comfort and adaptability:
- 33% soy viscose
- 33% organic cotton
- 22% polyamide
- 12% elastane
This blend ensures elasticity, softness and optimal moisture management.
3D Triple-layer technology: 8 to 12 hours of protection 🔒
The absorbent core includes our advanced 3D multi-layer technology, designed to keep you protected all day — and night.

1- Inner layer (touching the skin)
Soft soy fibre and organic cotton with antibacterial and anti-odour properties.
💧 Keeps the skin dry and fresh.
2 - 3D technical absorbent layer
High absorption capacity, breathability and moisture control.
🩸 Perfect for medium to heavy flow.
3 - Waterproof outer layer
Prevents leaks without adding bulk.
🛡️ Silent, discreet and reliable protection.
Models available for every flow
Our menstrual panties come in different cuts and absorption levels to suit every moment of your cycle:

Each model offers a unique fit, ensuring comfort, freedom of movement and long-lasting protection.
Size guide for a perfect fit 📏

Choosing the right size ensures proper absorption and maximum comfort throughout the day.
Care instructions 🧺
To maintain their performance and prolong their lifespan:
- Rinse with cold water after use ❄️
- Do not use fabric softener
- Do not use bleach
- Wash at 40ºC max
- Do not tumble dry
- Line dry inside out 🌬️
With proper care, your menstrual panties will preserve their absorbency for over 100 washes.
Local, artisanal manufacturing 🇪🇸
All our period briefs are made in our Barcelona factory using artisanal techniques that ensure:
- Strict quality control
- Reduced environmental impact
- Ethical and responsible production
- Durable, precise craftsmanship
A garment created to offer comfort, safety and sustainability — every day of your cycle.
A More conscious, safe and sustainable cycle 🌿
ZD menstrual panties combine advanced textile technology, natural fibres and artisanal design to deliver:
- Real leak-proof protection
- Up to 12 hours of security
- Exceptional softness and comfort
- Long-term sustainability and savings
- No odours, no irritation
👉 Discover the full collection and find the model that suits you best.







