The Nucleon KR-CELL CiR has been designed to offer protection to track and sports bike riders while ensuring maximum levels of breathability and comfort. Features The Nucleon KR-CiR is a high performance, super lightweight track and 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 and excellent weight saving properties. The chest protector’s structure design and structure changes from the centre towards the outside and provides the perfect balance between force dispersion and energy absorption. Unique CELL microstructure is designed for advanced energy absorption, adaptivity, maximum breathability and 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 and 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