The new Tacks helmet was designed to offer state of the art comfort and fit. With a completely new comfort liner, it delivers an amazing fit. An elite level of protection in incorporated 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 Preferred look with geometry to help absorb multiple impacts.