Designed with input from our elite level race team, the knee guards leverage our relationship with D30 - the worldwide leader in impact reducing materials - and combines that technology with a removable hard cap for bulletproof durability and all mountain performance.The D3O CE certified build allows the knee 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 D3O Knee Guards have a breathable, moisture wicking construction for all day comfort.Perforated Ariaprene neoprene for enhanced breathabilityDesigned for superior pedal efficiency and on bike comfortMoisture wicking back fabric keeps you cool and dryRemovable/replaceable hardshell front knee cap to reduce snaggingD3O CE certified insert for impact protection