A low volume helmet adjustment system that is easy to use. The Occigrip construction provides a firm and comfortable fit and prevents the helmet from rotating on your head.
When the fastener is closed, the magnets move towards each other due to magnetic pull and, once they connect, the magnets are automatically securely locked together by the mechanical locking functionality. When the fastener is opened, the polarity of the magnets is reversed by sliding them apart, for example by turning the fastener. This means that the magnets repel each other, supporting the opening procedure.
Expanded polystyrene is used to help diffuse the force of an impact. It aids in the shock absorption through the "crushing" of the material. Used for its relative light weight and versatility in design.