New and Improved - Outer Panel Construction - Stronger, Longer Lasting -R3 Panel - injection molded "polycarbonate' material panels help to spread the load and shock even more -Panels made to flex around the driver -Thinner design for more comfort -Custom tailored using stress-relieved polypropylene modules -Cordura™ vest with adjustable chest and shoulder straps -New improved materials and stronger buckles -Better Shock Absorbing Foam