**Manta Slim Sleep Mask - The super slim, ultra-light blackout sleep mask zero eye pressure.The barely-there comfort you want, the optimal light-blocking power you need.Slim is the only slimline mask designed, constructed and optimized for deepest-possible sleep in any environment.Created to channel the sleep-boosting power of total blackout into t..

**Manta Pro Sleep Mask Sleep masks engineered for side sleepers. As you lie on your side, Pro practically disappears. Unmatched breathability & ventilation, powered by advanced material science. No-expenses-spared comfort. Plus 100% blackout & zero eye pressure for deep, uninterrupted sleep & bold colors that reflect the strength of our mission. Be..