A protective pad assembly for releasably attaching to a garment, comprises a flexible inner member provided to be disposed inside the garment, an outer member provided to be disposed outside the garment and a securing device provided for releasably attaching the outer member to the inner member. The outer member further includes an outer protective pad. The securing device includes an inner magnetically attractive element attached to the inner member and an outer magnetically attractive element attached to the outer member. The outer magnetically attractive element and the inner magnetically attractive element are magnetically attractable to each other so as to hold the protective pad assembly in place on the garment. Moreover, one of the inner magnetically attractive element and the outer magnetically attractive element is a magnet.