Asteri SleepSync™ Sport Chunky rectangular sunnies in black

Chunky rectangular sunnies in black and pastel shades

Evening light-blocking glasses to help improve sleep quality and recovery

these robust frames offer full-wrap peripheral vision and are fitted with interchangeable lenses

Performance sunglasses for outdoor activity

Acetate frames with super strong light blocking lenses

Asteri SleepSync™ Sport Chunky rectangular sunnies in blackAcetate frames with super strong light blocking lenses. These red lenses block both wavelengths of light that impact sleep, blue and green. Recommended to be worn two hours before bedtime if using screens, you'll noticeable fall asleep easier. These glasses promote a deeper and more restorative sleep, aiding recovery and increasing morning alertness.