Thin Line Defense talk about the improvements done to the Agilite K-Zero SF based on feedback... "Agilite K-Zero SF review! Agilite took all your feedback and worked to upgrade the K-Zero to bring in all the features of their newest products. From the SubZero, to the rear hangar, to their new sling, you see all the best elements integrated into one plate carrier. But does it do well? We break it down and try it out to see how it does!"