PERFORMANCE TECHNOLOGIES Power AMP shoulder pad has a flat pad design for low profile and asdvanced range of mobility Power(R) cap and epaulet shoulder design for an increased optimum range of arm motion 1" PVC belt system, velvet collar for added comfort, and a back plate included Protection for all play levels and all on-field positions PADDING COMPOSITION 1/2" thick, convoluted open-cell foam liner for comfort and air circulation with 1/2" integrated foam shoulder channels for additional protection STAC system channels energy away from the shoulder upon impact with its protection bridge support Air Management Liner System disburses impact energy throughout the whole liner within a sealed cushion of air