You've never seen a slim mouthguard shine like this. The Shock Doctor MicroFit Mouthguard delivers Shock Doctor's thinnest, most advanced protection in a 2.4mm design with a new chrome finish that stays fresh every time you use it. Shock Doctor'slowest-profile design is the ultimate custom-like fit for speaking and breathing easy, and I-Mold technology provides a smooth contour and high level of comfort.