R.E.D. System: Liquid filler bladders positioned between the liner and the players head. Liner: Low density flexible EPP with Lycra laminated comfort cushions. Offers a lightweight professional level of protection and a state of the art comfort. Microdial II: Allows a 360 degree wrap and adjustment. Shell: Two tone high density PE shell with PETG subshell. Lightweight protection with team customizable color.