Impact reduction apparel and impact absorbing liner for apparel

A detachable impact absorbing liner for a hat, the detachable impact absorbing liner comprising:

• an internal frame formed of polycarbonate, the internal frame having a trunk member extending from a frontal portion to a rear portion, and a plurality of branch members extending laterally from the trunk member, the plurality of branch members comprising a pair of frontal branch members, a pair of rear branch members, and at least two additional branch members that extend from opposite sides of the trunk member having side members extending laterally from a distal end of each of the at least two additional branch members, the internal frame further including a clasping system comprising a clasping mechanism on a distal end of each of the side members and on a distal end of each adjacent branch member of the plurality of branch members, the clasping system enabling the internal frame to be shaped and fastened in a semi-spherical shape to conform to a shape of a wearer's head and to be positioned within the hat;
• two or more impact resistant layers coupled with the internal frame, the two or more impact resistant layers comprising a polymer layer coupled with a first side of the internal frame and having a first density to resist puncture and tearing, and an inner impact absorbing layer coupled to the polymer layer and having a second density to resist impact, and a breathable, moisture-wicking fabric attached to the inner impact absorbing layer opposite the polymer layer, wherein the internal frame is interposed between the polymer layer and the inner impact absorbing layer, the two or more impact resistant layers covering a majority of the internal frame and being formed with cut-ins to allow the two or more impact resistant layers to conform to the shape of the wearer's head when the internal frame is shaped and fastened in the semi-spherical shape.