Lightweight shell design and hinge system. Molded rocketframe composite shell, light weight pro level protection. Anatomical shin caps with vented knee cap, light weight protection. Pro thigh protection with molded Zotefoam. Upper lock strap with stretchable comfort cushion and new adjustable length calf strap . New molded Zotefoam and vented removable dryfoam liner with exposed foam, lightweight custom fit, easy to maintain and pro level protection.