K-Zero™ SF Plate CarrierDetails Sizing Specs Returns Gov Sales The K Zero SF is the ultimate evolution of the plate carrier, rebuilt from the ground up with zero compromises. Forged through the blood, sweat, and battlefield experience of tens of thousands of Agilite users in active combat and special operations in Israel and across the globe. It's the most comfortable and feature rich carrier built to date. Unprecedented Comfort for all day wear Includes patented one size