riddell power jpk+ jv/youth football shoulder pads - all purpose riddell junior varsity version of the power spk+. recommended for mid-skilled positions. the riddell power jpk+ ap replaces the riddell power jpk ap and features riddell ripkord technology, the stac shoulder system, pcv epaulet straps and belts, flat pad design, the air management liner system, swivel fronts, and a fiveted back plate is included.