The Fox Launch D3O Knee Guards are trusted by some of the world's best riders and have been fully redesigned with D3O certification. Few things inspire confidence like a proper fitting and protective guard. Fox has partnered with D3O, the global leader in impact protection to create a CE certified pad shape designed with inspiration from their global MTB athletes. This proprietary design improves on proven technology to elevate performance across the entire Fox MTB guard line up, instilling confidence in riders of all abilities. Fox Launch D3O Knee Guard Features Pre-curved ergonomic fit? Slip-on fit with hook and loop adjuster? Perforated neoprene offers comfort & breathability? EN1621-1 Level 1 CE Certification? Fox Launch D3O Knee Guard Materials 20% Nylon / 40% Sbr / 30% Pu / 5% Polyester / 5% Spandex