The Tactical Level IIIA+ Enhanced Multi-Threat™ vest comes with every feature of our original Level IIIA Multi-Threat vest (bullet, strike and slash protection), but is ENHANCED to provide NIJ level 1 spike protection (up to 36 joules of force) AND by defending against Liberty Civil Defense 9mm & FN 5.7! The Safe Life Defense Level IIIA+ Enhanced Multi-Threat™ Vest is the ONLY soft body armor to achieve this advanced level of protection!