Troy lee designs bg 5900 chest protectorthe contoured fit makes wearing the cp5900 under the jersey virtually unnoticeable the design of the cp5900 provides protection in a comfortable ergonomic design tld chest protector specifications neck brace integration patent pending design is compatible with leading neck braces without compromising fit and protection vent trak circulates air through flexible channel over the skin surface to cool the rider vented soft yoke connection between front an