Smoon - Hemera Detachable Heavy Flow Period Underwear Black

• Period underwear for heavy flow
• Optimal protection in any situation
• Comfort and security guaranteed during your sessions
• No risk of discomfort, chafing, or leaks
• Perfect for high-intensity days
• Designed with riders in mind — combining comfort, practicality, and innovation
• Change your protection discreetly without fully undressing — ideal when restroom facilities are not accessible
• Discreet side clips
• Perfect for heavy flow (protection equivalent to 4 tampons) or everyday light leaks
• Up to 12 hours without any leaks
• Seamless design to prevent chafing in the saddle
• Perfectly discreet
• 0 leaks, 0 odour, 0 dampness
• Breathable and moisture-wicking fabric
• Certified STANDARD 100 by OEKO-TEX®, free from harmful substances
• Washable, reusable, and long-lasting — a healthy and eco-friendly alternative to disposable protection
• Ideal support even during your most intense sessions

Flow guide: For the first days of your period, we recommend a heavy flow model. For the middle and end of your cycle, a medium or light flow model works best.
- Light flow = 1 tampon
- Medium flow = 2 tampons
- Heavy flow = 4 tampons

SMOON seamless period underwear is incredibly easy to care for!
Rinse them in cold water after each use.
For washing, we recommend machine washing at a maximum of 30°.
Leave them to air dry.

Main material: 80% polyamide, 20% elastane
Lining: 51% hydrophilamide, 42% polyamide, 7% elastane
Absorbent layer: 100% polyester
Membrane: 86% polyester, 14% polyurethane


All SMOON products are made from French and Italian materials tested by independent laboratories, guaranteeing the absence of harmful chemical substances and silver nanoparticles. Our products are STANDARD 100 by OEKO-TEX® certified.

Smoon is a French brand specializing in technical and period underwear, founded in 2019. It offers seamless, comfortable, and high-performance pieces (zero leaks, zero odor), designed for periods, sport, or postpartum wear.