The NUCLEON KR-HR Hip Protector is certified to Level 2 (EN 1621_1: 2012) & has been ergonomically engineered for racing & performance riding. Featuring strategically positioned, injected hard PU molded inserts for excellent abrasion & impact resistance, the NUCLEON KR-HR is constructed from lightweight energy absorbing polymer foam for high levels of ventilation & comfort. Features Ergonomically profiled & engineered for freedom of movement in an aggressive riding position. Designed to fit under leather racing suits. Constructed from high-energy absorbing viscoelastic PU memory foam compound that is lightweight & perforated for comfort. Incorporates strategic, hard over-injected shells for added protection on the hip bone. KR-HR is certified to latest EN 1621_1: 2012 (level 2).