The Nucleon KR-CELL Ci R has been designed to offer protection to track & sports bike riders while ensuring maximum levels of breathability & comfort. Features The Nucleon KR-Ci R is a high performance, super lightweight track & race chest protector featuring the Nucleon Cell technology. The double-layered chest shell plate is constructed from a high performance polymeric material blend for optimized flexibility & excellent weight saving properties. The chest protector’s structure design & structure changes from the centre towards the outside & provides the perfect balance between force dispersion & energy absorption. Unique CELL microstructure is designed for advanced energy absorption, adaptivity, maximum breathability & air flow. Ergonomic protection plate contours to the natural curve of the back ensuring optimum fit while riding. Soft comfortable airmesh on the body side of the protector offers maximum breathability & rider comfort. According to European statutory law the mark is a conformity requirement for the marketing of the product. The following standard apply: Level 2 EN 1621-3:2018