XStack Tear Offs for Simpson Matrix, SX, Jr. Shark, HJC Auto, OMP - 10203C GMRS Industry standard 3 pin plug

Industry standard 3 pin plug

Incorporating technical features proven in Formula 1 and specific innovations for the kart track

Increase team efficiency with the perfectly-sized Rugged R1

and weightEyeport on all ST5 helmets is taller than the previous ST4 and has a special visor to accommodate the larger openingMuch larger visor than previous models and opens past the line of sight3mm clear visor for the absolute best in protection - other Stilo shields available separatelyUse of ear bud style earphones with an optional adapterIntegrated electronics jack is positioned far enough away from the HANS post anchor in order to make the use of the jack trouble free even when the HANS is wornWiring is all positioned safely and conveniently behind the padding so as to be transparent to the userStandard ear cushionsEarmuffs provide a significantly quieter environment for the driver by aurally isolating the earEPS cheek pads provide the best in lateral crash safety

XStack Tear Offs for Simpson Matrix, SX, Jr. Shark, HJC Auto, OMP - 10203C GMRS Industry standard 3 pin plugRacing 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. Optical grade Mylar tearoffs laminated into stacks increase visibility by allowing more light transmission by reducing the amount of reflected light tearoff between layers. Features Manufacturer