The Launch Pro D3O® Elbow Guards leverage our 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 elbow guard to stay flexible for ease of movement and comfort, but upon impact, they instantly harden to provide a hard shell like protection. The Launch Pro D3O® Elbow Guards have a breathable, moisture wicking construction, so they remain comfortable all day long. FEATURES Perforated Ariaprene™ neoprene for enhanced breathability Anatomically design provides superior on bike comfort Moisture wicking back fabric keeps you cool and dry Removable/replaceable hardshell front cap to reduce snagging D3O® CE certified insert for impact protection