Smoon - Hemera Detachable Heavy Flow Period Underwear Black

• Period underwear for heavy flow
• Optimal protection in any situation
• Provides comfort and confidence during your riding sessions
• No discomfort, chafing, or leaks
• Ideal for high-intensity days
• Designed for riders, these side-opening underwear combine comfort, practicality, and innovation
• Lets you discreetly change your protection without undressing completely, especially when a restroom isn't available
• Discreet side fasteners
• Ideal for heavy flows (protection equivalent to 4 tampons) or everyday leaks
• Up to 12 hours without leaks
• Seamless design helps prevent chafing in the saddle
• Completely discreet
• No leaks, no odor, no feeling of dampness
• Breathable, moisture-wicking fabric
• STANDARD 100 by OEKO-TEX® certified, free from harmful substances
• Washable, reusable and durable, it’s a healthy, eco-friendly alternative to disposable period products
• Stays securely in place, even during the most intense rides

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.