100% Mulberry Silk Blockout Sleeping Mask

Your body starts producing melatonin in darkness. Any light — from a streetlight, a phone screen, a crack under the door — signals your brain to slow that process down. The result is lighter sleep, more frequent waking, and a groggier morning.
Most sleep masks are made from polyester or cheap satin. They sit on your eyes, let light leak through the edges, and leave marks on your skin by morning.
The Biorhythm Mulberry Silk Sleep Mask is built differently. 100% Mulberry silk — the highest grade silk available — sits weightlessly against your skin while the contoured blockout design eliminates light from every angle. No pressure on your eyes. No synthetic materials. No light.
Just complete darkness, and deeper sleep.

100% Mulberry silk — the highest grade silk, gentle on skin and lashes
Complete light blockout — contoured design eliminates light from all angles
Zero eye pressure — shaped to sit around your eyes, not on them
Naturally temperature regulating — keeps cool in summer, warm in winter
No marks, no creases — silk glides against skin without friction
Improves melatonin production for deeper, more restorative sleep

Material: 100% Mulberry Silk
Function: Complete light blockout
Eye pressure: Zero — contoured design
Electronic: No
Batteries: No
Suitable for: All sleep positions
Available colours: Light Gray, Navy Blue, Dark Blue, Pink, Black

• Free express shipping on all Australian orders
• Orders dispatched within 24 hours of purchase
• Estimated delivery 5–12 business days
• Tracking provided via email once dispatched
• We ship Australia-wide including regional areas

• 30-day money back guarantee on all orders
• If you're not satisfied for any reason, contact us for a full refund
• Email support@biorhythm.life to initiate a return
• Refunds processed within 3–5 business days

Does it work for both shin and calf?
Yes — the sleeve is designed for full lower leg coverage, targeting both the shin and calf muscle simultaneously.

Can I wear it while training?
Yes, the slip-on compression design is lightweight enough to wear during activity as well as during recovery.

How long should I keep it on?
15–20 minutes per session is recommended. Allow your skin to return to normal temperature before reapplying.

Is it one sleeve or a pair?
One sleeve is included per order. If you need both legs covered, simply order two.

What size will fit me?
One size fits most adults. The nylon and spandex blend stretches to accommodate most leg sizes comfortably.