All the stitch seams are sewn sealed as opposed to cheaply glued
Innovative headband design eye mask - New placement of the adjusters(non-metal clasps) to AVOID scratch ears or irritate skin
Easy-to-adjust without being too tight or bulky, snug fit enough to stay on face contour with small women and large men
Unique shaped eye cups & nose cutout - Never press against eyeballs, eyelashes or nose and yet create a perfect seal that blocks all light out no matter if you're a back, stomach or sensitive side-sleeper