Roux Racing Optics XStack helmet system, featuring a patented laminated tearoff technology, is a 2 mil thick, 10-layer tearoff stack that is great for all dirt racing applications. Each sleeve contains 3 stacks of 10 tearoffs. For a total of 30 tearoffs per sleeve. Roux helmets USA tearoffs.
Optical grade Mylar tearoffs laminated into stacks increase visibility by allowing more light transmission by reducing the amount of reflected light tearoff between layers.