Endura MT500 Lite Knieprotektor

"Designphilosophy. Protection - that is in Endura's DNA. An extended range of protectors ensures that every mountain biker gets their money's worth. We work with the best riders to develop Endura's products, including the first DHfamily, the Athertons. The MT500 hard shell knee protectors offer the highest level of certified protection to keep you safe in the most extreme situations.D3O Protection. D3O uses patented, patent-pending and trademarked technology to produce speed-sensitive, soft and flexible materials with high shock-absorbing properties. D3O's core technology applies non-Newtonian principles to materials designed for shock absorption. Non-Newtonian materials stiffen on impact to dissipate the impact energy and reduce the force transmitted before returning to their flexible state. 90 day satisfaction guarantee. We are so confident in this product that we will offer you a hassle-free refund or replacement within 90 days of purchase if you are not satisfied."