• the Baseworker™ 4-point chinstrap is fully compatible with JSP® EVO® helmets • on-the-head adjustment makes it easy to find the perfect fit, enhancing comfort and keeping the helmet secure • the chinstrap is easy to adjust on the head • size and anchorage point adjustment offer a tailored fit for different head sizes, increasing stability and comfort • with four attachment points, the Baseworker™ chinstrap provides a secure fit and helps to hold the helmet firmly in place even during vigorous movement • anchorage releases automatically under forces of 150-250N, in case the helmet or strap is caught on something, then resets for continued use • the chinstrap features an ergonomic quick release buckle allowing it to be unfastened easily for fast removal of the helmet