A protective helmet liner apparatus for prevention of head injury, concussions, and brain trauma includes a liner body dimensioned such that a bottom edge sits below a user's skull and a front edge extends from behind the user's ears, over the ears, and across the forehead above the user's eyebrows. A shock-absorptive filling is coupled within the liner body between an inside and an outside of the liner body. A plurality of engagement members comprises a plurality of first engagement members coupled to the outside of the liner body and a plurality of second engagement members coupled to an inner side of a helmet. The first engagement members are selectively engageable with the second engagement members to secure the liner body to the helmet.
展开▼
