Havok Knee Protection. If you’re looking for ultimate protection AND performance, then look no further - the Havok Knee is here! AMPLIFI's fully articulated ergonomic design features the latest in hex-vented laminated fabric construction, including kevlar reinforced panels for extra durability and performance. The Havok Knee locks in place with our hem located nonslip silicone, and keeps your limbs protected to EAN Level 2 with integrated Sas-Tec pads. The Havok’s badass good looks are backed up with the latest in breathable technical fabrics and include a side zipper for easy-on and easy-off. This is the last word in supremacy and security.