Fox Racing Titan Race Knee Guards Black. Sold as a pair, the Fox Titan Race knee guards are made for off-road use, but can also be used for the street, inside the pants. Incorporating a Posi-Lock clip system, these guards bring you vented, leg-specific performance with full knee and shin coverage. Soft vented bio-foam chassis keeps you cool and comfortable, they fit with elastic straps with hook and loop adjustment.