Whoop Ultra-Comfortable Sleep Mask, Adjustable for Best Fit, Boosts Time in REM Sleep

PREMIUM MATERIALS: Made with premium materials because it’s intended to assist your sleep, not distract from it.
COMFORTABLE & ADJUSTABLE: Easily adjustable, so you’ll get the very best, safe fit. Does not move all over sleep, secured with velcro strap.
BACKED BY RESEARCH: A WHOOP study found that wearing the WHOOP Sleep Mask resulted in an ordinary 6% increase within the time spent in REM sleep.
MOLDED DESIGN: Designed to suit snugly across a lot of face shapes.
EFFECTIVE LIGHT BLOCKING: 80% of research participants reported total darkness.