The new Tacks helmet was designed to offer state of the art comfort and fit. With a completley new comfort liner, it delivers an amazing fit. An elite level of protection in incororated with the use of D30 Lite and R.E.D system materials. New I.Q.Shion Comfort Liner and R.E.D System Single Tool Free Adjustment- Easy adjustment at back of helmet Pro Prefered look with geometry to help absorb multiple impacts