Slick looking and lots of vents to keep your head cool the met parabellum hes use the best technology to ensure maximum safety whilst keeping the wieght down the parabellum is the lightest mountain bike helmet in its classadjustable features such as the visor and interchangable padsmake the riders life easier when it comes to change parts a serious contender in every mtb helmet award going won numerous awards in the past extended coverage at the rear of the head increases protection whil