Use it every night at home to establish a consistent sleep routine, and pack it for all travel, races, and training camps. It's especially critical for race morning when you need guaranteed rest regardless of hotel room conditions or early sunrises.

Even small amounts of light during sleep suppress melatonin production by up to 50%, which cuts into deep sleep stages. Deep sleep is when your body produces human growth hormone, repairs muscle tissue, restores glycogen, and strengthens immune function - the actual recovery work that makes training adaptations stick.

30 momme (mm) measures silk density and quality - higher numbers mean heavier, more durable, and more luxurious silk. At 30mm, this is the highest grade available, providing complete light blocking while still breathing and regulating temperature, unlike synthetic masks that trap heat.

Yes, the 3D contoured design sits completely off your eyelids and lashes, so there's zero pressure regardless of sleep position. Side sleepers won't wake up with marks or discomfort, and the adjustable strap keeps it secure all night.

Hand wash in cold water or use a gentle, cold water machine wash cycle. Avoid bleach and fabric softeners. Air dry by laying flat. The silver ion protection maintains its antimicrobial properties through proper washing.