FOX Titan Pro D3O Knee Protectors The Titan Pro Knee Guards provide D30® armor protection, while the Posi-Lock buckle system features one-time strap adjustment and quick-release functionality. Range of motion is assured, care of the hinging system which allows the knee cap to move independently while riding. Features: Variable Axis Hinge allows knee cap to flow up and down independently, for increased range of motion Posi-Lock buckle system allows quick release after strap adjustment has been made Fully-vented knee and shin with nested D3O® Armor dampening Compression-molded liner for superior comfort Contents: 1x pair of FOX Titan Pro D3O Knee Protectors