Rev'it! Seesmart Shoulder / Elbow / Knee Protectors Rv30 Replacement armor for use in the shoulder, elbow or knee pockets of compatible Rev'it! garments. Specifically developed for use in motorcycle gear, Seesmart offers the highest level of flexibility while passing the En1621-1:2012 CE-Level 1 impact tests. Features: 7 W x 10.5 H