HELMET AND ADJUSTABLE CHIN STRAP ASSEMBLY AND ADJUSTABLE CHIN STRAP RETENTION SYSTEM

Disclosed are helmet and adjustable chin strap assemblies that include an adjustable chin strap retention system that solve some or all of the problems of the prior art. Specifically, disclosed are helmets and adjustable chin strap assemblies that include a helmet shell and a chin strap retention system, where the chin strap retention system includes a chin strap or chin strap cable and an actuator that can be manipulated by the wearer using one hand to selective shorten or lengthen the chin strap or chin strap cable in real time while the wearer is wearing the helmet and engaging in an activity. The chin strap or chin strap cable can be configured to cleanly and simply connect to the helmet shell, with two opposing ends of the chin strap or chin strap cable being attached to an inner component, an outer component, or between the inner and outer components of the helmet shell.