The Launch Pro D3O® Elbow Guards leverage Foxs relationship with D3O® - the worldwide leader in impact reducing materials - and combines that technology with a removable hard cap for bulletproof durability and top tier mountain bike performance. The D3O® CE certified build allows the mtb elbow guard to stay flexible for ease of movement and comfort, but upon impact, they instantly harden to dissipate the force of the crash. The Launch Pro D3O® Elbow Guards have a breathable, moisture wicking construction for all day comfort. Features: D3O® CE certified insert for impact protection Perforated ARIAPRENE® neoprene for enhanced breathability Designed for superior pedal efficiency and on bike comfort Moisture wicking back fabric keeps you cool and dry Removable/replaceable hard-shell front knee cap to reduce snagging Note: No technology or product can fully prevent the risk of injury or death